https://vi.dfg-group.com Công ty TNHH Van ống Dafugui https://vi.dfg-group.com/upload/7188/20250818135506188869.webp https://vi.dfg-group.com/304-stainless-steel-plate-flange.html Mặt bích tấm thép không gỉ 304 https://vi.dfg-group.com/upload/7188/304-stainless-steel-plate-flange-564773.webp https://vi.dfg-group.com/316-stainless-steel-plate-flange.html Mặt bích tấm thép không gỉ 316 https://vi.dfg-group.com/upload/7188/316-stainless-steel-plate-flange-897293.webp https://vi.dfg-group.com/304-stainless-steel-slip-on-flange.html Thép không gỉ 304 trượt trên mặt bích https://vi.dfg-group.com/upload/7188/304-stainless-steel-slip-on-flange-586535.webp https://vi.dfg-group.com/316-stainless-steel-slip-on-flange.html Thép không gỉ 316 trượt trên mặt bích https://vi.dfg-group.com/upload/7188/316-stainless-steel-slip-on-flange-224982.webp https://vi.dfg-group.com/304-stainless-steel-weld-neck-flanges.html Mặt bích cổ hàn bằng thép không gỉ 304 https://vi.dfg-group.com/upload/7188/304-stainless-steel-weld-neck-flanges-160700.webp https://vi.dfg-group.com/316-stainless-steel-weld-neck-flanges.html Mặt bích cổ hàn bằng thép không gỉ 316 https://vi.dfg-group.com/upload/7188/316-stainless-steel-weld-neck-flanges-562594.webp https://vi.dfg-group.com/304-stainless-steel-blind-flanges.html Mặt bích mù bằng thép không gỉ 304 https://vi.dfg-group.com/upload/7188/304-stainless-steel-blind-flanges-793937.webp https://vi.dfg-group.com/316-stainless-steel-blind-flanges.html Mặt bích mù bằng thép không gỉ 316 https://vi.dfg-group.com/upload/7188/316-stainless-steel-blind-flanges-107973.webp https://vi.dfg-group.com/304-stainless-steel-threaded-flanges.html Mặt bích ren bằng thép không gỉ 304 https://vi.dfg-group.com/upload/7188/304-stainless-steel-threaded-flanges-51231.webp https://vi.dfg-group.com/316-stainless-steel-threaded-flanges.html Mặt bích ren bằng thép không gỉ 316 https://vi.dfg-group.com/upload/7188/316-stainless-steel-threaded-flanges-589898.webp https://vi.dfg-group.com/3-piece-stainless-ball-valve.html Van bi 3 mảnh không gỉ https://vi.dfg-group.com/upload/7188/3-piece-stainless-ball-valve_163697.webp https://vi.dfg-group.com/three-piece-stainless-ball-valve.html Van bi không gỉ ba mảnh https://vi.dfg-group.com/upload/7188/three-piece-stainless-ball-valve_11172.webp https://vi.dfg-group.com/1pc-high-platform-ball-valve.html Van bi nền tảng cao 1PC https://vi.dfg-group.com/upload/7188/1pc-high-platform-ball-valve_514283.webp https://vi.dfg-group.com/2pc-high-platform-ball-valve.html Van bi nền tảng cao 2PC https://vi.dfg-group.com/upload/7188/2pc-high-platform-ball-valve_385901.webp https://vi.dfg-group.com/3pc-high-platform-ball-valve.html Van bi nền tảng cao 3PC https://vi.dfg-group.com/upload/7188/3pc-high-platform-ball-valve_685877.webp https://vi.dfg-group.com/1pc-ball-valves.html Van bi 1 cái https://vi.dfg-group.com/upload/7188/1pc-pneumatic-ball-valves_26152.webp https://vi.dfg-group.com/2pc-ball-valves.html Van bi 2PC https://vi.dfg-group.com/upload/7188/2pc-pneumatic-ball-valves_126687.webp https://vi.dfg-group.com/3pc-ball-valves.html Van bi 3PC https://vi.dfg-group.com/upload/7188/3pc-pneumatic-ball-valves_431440.webp https://vi.dfg-group.com/3pc-mini-ball-valve.html Van bi mini 3PC https://vi.dfg-group.com/upload/7188/3pc-mini-ball-valve_2604.webp https://vi.dfg-group.com/sanitary-pneumatic-ball-valve.html Van bi khí nén vệ sinh https://vi.dfg-group.com/upload/7188/sanitary-pneumatic-ball-valve-975844.webp https://vi.dfg-group.com/pneumatic-high-platform-ball-valve.html Van bi nền cao bằng khí nén https://vi.dfg-group.com/upload/7188/pneumatic-high-platform-ball-valve-364746.webp https://vi.dfg-group.com/stainless-steel-cap-pipe-fitting.html Lắp ống thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-cap-pipe-fitting_720731.webp https://vi.dfg-group.com/stainless-steel-stub-end-pipe-fitting.html Lắp ống cuối bằng thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-stub-end-pipe-fitting_41770.webp https://vi.dfg-group.com/stainless-steel-socket-pipe-fitting.html Lắp ống thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-socket-pipe-fitting_951531.webp https://vi.dfg-group.com/304-stainless-steel-socket-weld-flanges.html Mặt bích hàn ổ cắm bằng thép không gỉ 304 https://vi.dfg-group.com/upload/7188/304-stainless-steel-socket-weld-flanges-778157.webp https://vi.dfg-group.com/316-stainless-steel-socket-weld-flanges.html Mặt bích hàn ổ cắm bằng thép không gỉ 316 https://vi.dfg-group.com/upload/7188/316-stainless-steel-socket-weld-flanges-50360.webp https://vi.dfg-group.com/f51-duplex-steel-flanges.html Mặt bích thép song công F51 https://vi.dfg-group.com/upload/7188/f51-duplex-steel-flanges-292584.webp https://vi.dfg-group.com/f53-duplex-steel-flanges.html Mặt bích thép đôi F53 https://vi.dfg-group.com/upload/7188/f53-duplex-steel-flanges-562477.webp https://vi.dfg-group.com/s31803-duplex-steel-flanges.html Mặt bích thép song công S31804 https://vi.dfg-group.com/upload/7188/s31803-duplex-steel-flanges-647572.webp https://vi.dfg-group.com/s32750-duplex-steel-flanges.html Mặt bích thép song công S32750 https://vi.dfg-group.com/upload/7188/s32750-duplex-steel-flanges-479176.webp https://vi.dfg-group.com/duplex-steel-s32205-slip-on-flanges.html Thép song công S32205 Trượt trên mặt bích https://vi.dfg-group.com/upload/7188/duplex-steel-s32205-slip-on-flanges-562368.webp https://vi.dfg-group.com/duplex-steel-s31803-slip-on-flanges.html Thép song công S31803 Trượt trên mặt bích https://vi.dfg-group.com/upload/7188/duplex-steel-s31803-slip-on-flanges-34874.webp https://vi.dfg-group.com/duplex-steel-s32205-weld-neck-flanges.html Mặt bích cổ hàn thép S32205 https://vi.dfg-group.com/upload/7188/duplex-steel-s32205-weld-neck-flanges-491866.webp https://vi.dfg-group.com/duplex-steel-s31803-weld-neck-flanges.html Mặt bích cổ hàn thép S31803 https://vi.dfg-group.com/upload/7188/duplex-steel-s31803-weld-neck-flanges-742272.webp https://vi.dfg-group.com/duplex-steel-s32205-blind-flanges.html Mặt bích mù song công S32205 https://vi.dfg-group.com/upload/7188/duplex-steel-s32205-blind-flanges-92976.webp https://vi.dfg-group.com/duplex-steel-s31803-blind-flanges.html Mặt bích mù song công S31803 https://vi.dfg-group.com/upload/7188/duplex-steel-s31803-blind-flanges-203662.webp https://vi.dfg-group.com/duplex-steel-s31803-threaded-flanges.html Mặt bích ren S31803 bằng thép song công https://vi.dfg-group.com/upload/7188/duplex-steel-s31803-threaded-flanges-265312.webp https://vi.dfg-group.com/duplex-steel-s32205-threaded-flanges.html Mặt bích ren S32205 bằng thép song công https://vi.dfg-group.com/upload/7188/duplex-steel-s32205-threaded-flanges-490932.webp https://vi.dfg-group.com/duplex-steel-s31803-socket-weld-flanges.html Mặt bích hàn ổ cắm bằng thép song công S31803 https://vi.dfg-group.com/upload/7188/duplex-steel-s31803-socket-weld-flanges-831373.webp https://vi.dfg-group.com/duplex-steel-s32205-socket-weld-flanges.html Mặt bích hàn ổ cắm bằng thép song công S32205 https://vi.dfg-group.com/upload/7188/duplex-steel-s32205-socket-weld-flanges-143564.webp https://vi.dfg-group.com/super-duplex-f51-steel-plate-flanges.html Mặt bích tấm thép siêu kép F51 https://vi.dfg-group.com/upload/7188/super-duplex-f51-steel-plate-flanges-143273.webp https://vi.dfg-group.com/super-duplex-f53-steel-plate-flanges.html Mặt bích thép tấm Super Duplex F53 https://vi.dfg-group.com/upload/7188/super-duplex-f53-steel-plate-flanges-187411.webp https://vi.dfg-group.com/s32750-super-duplex-steel-slip-on-flange.html S32750 Thép siêu song công trượt trên mặt bích https://vi.dfg-group.com/upload/7188/s32750-super-duplex-steel-slip-on-flange-701192.webp https://vi.dfg-group.com/s32760-super-duplex-steel-slip-on-flange.html S32760 Thép siêu song công trượt trên mặt bích https://vi.dfg-group.com/upload/7188/s32760-super-duplex-steel-slip-on-flange-35383.webp https://vi.dfg-group.com/s32750-super-duplex-steel-weld-neck-flanges.html Mặt bích cổ hàn thép siêu kép S32750 https://vi.dfg-group.com/upload/7188/s32750-super-duplex-steel-weld-neck-flanges-54350.webp https://vi.dfg-group.com/s32760-super-duplex-steel-weld-neck-flanges.html Mặt bích cổ hàn thép siêu kép S32760 https://vi.dfg-group.com/upload/7188/s32760-super-duplex-steel-weld-neck-flanges-246690.webp https://vi.dfg-group.com/s32750-super-duplex-steel-blind-flanges.html Mặt bích mù thép siêu kép S32750 https://vi.dfg-group.com/upload/7188/s32750-super-duplex-steel-blind-flanges-442514.webp https://vi.dfg-group.com/s32760-super-duplex-steel-blind-flanges.html Mặt bích mù thép siêu song S32760 https://vi.dfg-group.com/upload/7188/s32760-super-duplex-steel-blind-flanges-8395.webp https://vi.dfg-group.com/s32750-super-duplex-steel-threaded-flanges.html Mặt bích ren thép siêu kép S32750 https://vi.dfg-group.com/upload/7188/s32750-super-duplex-steel-threaded-flanges-677715.webp https://vi.dfg-group.com/s32760-super-duplex-steel-threaded-flanges.html Mặt bích ren thép siêu kép S32760 https://vi.dfg-group.com/upload/7188/s32760-super-duplex-steel-threaded-flanges-637235.webp https://vi.dfg-group.com/s32750-super-duplex-steel-socket-weld-flanges.html Mặt bích hàn ổ cắm bằng thép siêu kép S32750 https://vi.dfg-group.com/upload/7188/s32750-super-duplex-steel-socket-weld-flanges-661593.webp https://vi.dfg-group.com/s32760-super-duplex-steel-socket-weld-flanges.html Mặt bích hàn ổ cắm bằng thép siêu kép S32760 https://vi.dfg-group.com/upload/7188/s32760-super-duplex-steel-socket-weld-flanges-590405.webp https://vi.dfg-group.com/1-piece-ball-valve.html Van bi 1 mảnh https://vi.dfg-group.com/upload/7188/1-piece-ball-valve_666349.webp https://vi.dfg-group.com/1-piece-stainless-ball-valve.html Van bi không gỉ 1 mảnh https://vi.dfg-group.com/upload/7188/1-piece-stainless-ball-valve_178628.webp https://vi.dfg-group.com/one-piece-ball-valve.html Van bi một mảnh https://vi.dfg-group.com/upload/7188/one-piece-ball-valve_532480.webp https://vi.dfg-group.com/2-piece-floating-ball-valve.html Van bi nổi 2 mảnh https://vi.dfg-group.com/upload/7188/2-piece-floating-ball-valve-5661.webp https://vi.dfg-group.com/2-piece-stainless-ball-valve.html Van bi không gỉ 2 mảnh https://vi.dfg-group.com/upload/7188/2-piece-stainless-ball-valve-653877.webp https://vi.dfg-group.com/2-piece-ball-valve.html Van bi 2 mảnh https://vi.dfg-group.com/upload/7188/2-piece-ball-valve-840761.webp https://vi.dfg-group.com/two-piece-ball-valve.html Van bi hai mảnh https://vi.dfg-group.com/upload/7188/two-piece-ball-valve-795844.webp https://vi.dfg-group.com/stainless-steel-elbow-pipe-fitting.html Lắp ống khuỷu tay bằng thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-elbow-pipe-fitting_680355.webp https://vi.dfg-group.com/stainless-steel-tee-pipe-fitting.html Lắp ống thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-tee-pipe-fitting_633390.webp https://vi.dfg-group.com/stainless-steel-cross-pipe-fitting.html Lắp ống chéo bằng thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-cross-pipe-fitting_895772.webp https://vi.dfg-group.com/stainless-steel-reducer-pipe-fitting.html Lắp ống giảm tốc bằng thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-reducer-pipe-fitting_906820.webp https://vi.dfg-group.com/two-piece-threaded-ball.html Bóng ren hai mảnh https://vi.dfg-group.com/upload/7188/two-piece-threaded-ball-709453.webp https://vi.dfg-group.com/three-piece-threaded-ball.html Bóng ren ba mảnh https://vi.dfg-group.com/upload/7188/three-piece-threaded-ball-704387.webp https://vi.dfg-group.com/three-piece-welded-ball-valve.html Van bi hàn ba mảnh https://vi.dfg-group.com/upload/7188/three-piece-welded-ball-valve-712539.webp https://vi.dfg-group.com/three-piece-quick-release-ball-valve.html Van bi nhả nhanh ba mảnh https://vi.dfg-group.com/upload/7188/three-piece-quick-release-ball-valve-521319.webp https://vi.dfg-group.com/three-piece-flange-ball-valve.html Van bi mặt bích ba mảnh https://vi.dfg-group.com/upload/7188/three-piece-flange-ball-valve-903661.webp https://vi.dfg-group.com/non-rising-stem-elastic-gate-valve.html Van cổng đàn hồi thân không tăng https://vi.dfg-group.com/upload/7188/non-rising-stem-elastic-gate-valve-931630.webp https://vi.dfg-group.com/rubber-disc-check-valve.html Van kiểm tra đĩa cao su https://vi.dfg-group.com/upload/7188/rubber-disc-check-valve-909962.webp https://vi.dfg-group.com/butterfly-buffer-check-valve.html Van kiểm tra đệm bướm https://vi.dfg-group.com/upload/7188/butterfly-buffer-check-valve-966381.webp https://vi.dfg-group.com/electric-pressure-regulating-valve.html Van điều chỉnh áp suất điện https://vi.dfg-group.com/upload/7188/electric-pressure-regulating-valve-924604.webp https://vi.dfg-group.com/top-entry-eccentric-semi-ball-valve.html Van bán bi lệch tâm đầu vào hàng đầu https://vi.dfg-group.com/upload/7188/top-entry-eccentric-semi-ball-valve-225522.webp https://vi.dfg-group.com/socket-weld-gate-valve.html Van cổng hàn ổ cắm https://vi.dfg-group.com/upload/7188/socket-weld-gate-valve-887747.webp https://vi.dfg-group.com/high-temperature-high-pressure-gate-valve.html Van cổng cao áp nhiệt độ cao https://vi.dfg-group.com/upload/7188/high-temperature-high-pressure-gate-valve-51687.webp https://vi.dfg-group.com/low-temperature-gate-valve.html Van cổng nhiệt độ thấp https://vi.dfg-group.com/upload/7188/low-temperature-gate-valve-143777.webp https://vi.dfg-group.com/three-piece-ball-valve.html Van bi ba mảnh https://vi.dfg-group.com/upload/7188/three-piece-ball-valve-820380.webp https://vi.dfg-group.com/stainless-steel-butt-welded-globe-valve.html Van cầu hàn bằng thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-butt-welded-globe-valve-909909.webp https://vi.dfg-group.com/forged-steel-integral-flange-check-valve.html Van kiểm tra mặt bích tích hợp thép rèn https://vi.dfg-group.com/upload/7188/forged-steel-integral-flange-check-valve-881860.webp https://vi.dfg-group.com/welded-pipe.html Ống hàn https://vi.dfg-group.com/upload/7188/nickel-alloy-600-601-piping-transportation-1-2-inch-646248.webp https://vi.dfg-group.com/seamless-stainless-steel-pipe.html Ống thép không gỉ liền mạch https://vi.dfg-group.com/upload/7188/seamless-stainless-steel-pipe-782392.webp https://vi.dfg-group.com/geothermal-coil-pipe.html Ống cuộn địa nhiệt https://vi.dfg-group.com/upload/7188/geothermal-coil-pipe-209183.webp https://vi.dfg-group.com/stainless-steel-seamless-pipe.html Ống thép không gỉ liền mạch https://vi.dfg-group.com/upload/7188/stainless-steel-seamless-pipe-165220.webp https://vi.dfg-group.com/stainless-steel-welded-pipe.html Ống hàn thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-welded-pipe-914183.webp https://vi.dfg-group.com/stainless-steel-seamless-bright-annealing-tubing.html Ống ủ sáng liền mạch bằng thép không gỉ https://vi.dfg-group.com/upload/7188/stainless-steel-seamless-bright-annealing-tubing-671481.webp https://vi.dfg-group.com/metal-hard-seal-butterfly-valve.html Van bướm kim loại cứng https://vi.dfg-group.com/upload/7188/metal-hard-seal-butterfly-valve-20826.webp https://vi.dfg-group.com/high-performance-butterfly-valve.html Van bướm hiệu suất cao https://vi.dfg-group.com/upload/7188/high-performance-butterfly-valve-986184.webp https://vi.dfg-group.com/elastic-seat-butterfly-valve.html Van bướm ghế đàn hồi https://vi.dfg-group.com/upload/7188/elastic-seat-butterfly-valve-880152.webp https://vi.dfg-group.com/high-temperature-butterfly-valve.html Van bướm nhiệt độ cao https://vi.dfg-group.com/upload/7188/high-temperature-butterfly-valve-361728.webp https://vi.dfg-group.com/hydraulic-control-check-butterfly-valve.html Van bướm điều khiển thủy lực https://vi.dfg-group.com/upload/7188/hydraulic-control-check-butterfly-valve-456289.webp https://vi.dfg-group.com/low-temperature-butterfly-valve.html Van bướm nhiệt độ thấp https://vi.dfg-group.com/upload/7188/low-temperature-butterfly-valve-116394.webp