About Wenzhou Dongna Machinery Co., Ltd.
Wenzhou Dongna Machinery Co., Ltd. is a professional manufacturer of pipe fittings, bend tubes, polished parts, cold forming and stamping parts.
We offer ASME/ANSI, JIS and DIN standard products for overseas markets and offer GB12459-90 and GB/T13401 standard products as per customers' demands, drawings or other standards. Our products are widely used in the industries such as petrochemical industry, electric power industry, smelting and papermaking industry, and have a high reputation in both domestic and overseas markets.
Now we have set up an advanced network management system and have started e-business. Our company upholds the policy of "Quality is the life of an enterprise, whereas the enterprise survives by trustworthiness and credit" as well as "Quality First, Credit First, Truth, Perfection, Rigid Management" to ensure the products quality in order to satisfy customers with our first-class products and service.
We warmly welcome customers and friends at home and abroad to visit our company for business negotiation and cooperation. We are offering you excellent products and sincere service.
Product Showcase
CNC Precision Parts(Cold Forming,Forging,Surface Processing )
Plastic Pipe Plugs,Pipe Protectors, Plastic pipe cap end protectors
bend (Cold Forming,welding,Surface Processing)
Forged Steel Pipe Fitting ( Threaded Tee ,forge fitting,forge,2000#,3000#,6000#)
Top-Hat Protector,Flange Protector,Flange Plastic Protector,Valve Plastic Protector
Snap-On Molded Plastic Protector,Flange Covers,Flange Protector,Flange Plastic Protector,Valve Plastic Protector
Plastic End Cap,Plastic End Pipe Plugs,Plastic pipe cap end protectors ,Plastic Flange Protectors,Flange Covers
Weldolet /SWAGE/STREET ELBOW
Barrel Nipple (pipe fitting, steel pipe fitting ,nipple,stainless steel barrel nipple)
Butt welded Pipe Cap(Q235 CAP,ALLOY STEEL CAP,Butt welded cap,Pipe cap,steel cap)
Double press-fitting Elbow(press-fitting,stainless steel press-fitting)
Union Conical Joint F/F(forged fitting,F/F,UNION,BOSS)
Pipe fitting(stainless steel fitting,alloy steel fitting,stainless steel BW fitting,)
180 Elbow(3D ELBOW,1.0D ELBOW,ALLOY Elbow ,STAINLESS Elbow)
Stainless Steel Boiler Tubes,Boiler Tubes,heat exchanger tube,chemical tube,ASTM 213
HYPODERMIC TUBE (HYPODERMIC NEDDLES ,injection needles,dental needles)
Beading tube, BENDING tube, Tube ,Pointing tube ,SLOTS/HOLES tube
bend pipe ,bend tube, bend piping,bend tubing,stainless steel bend pipe
forged fitting,forged pipe fitting,forged steel fitting, B 16.11,SW,TH
Plastic Pipe End Cap,Plastic Pipe Plugs,Plastic Flange Protectors,Flange Covers
Hypodermic Needle (14G - 30G),Hypodermic tube,needles
DENTAL NEEDLES,27G DENTAL NEEDLES,30G DENTAL NEEDLES
Stainless Steel Tube for heat exchanger (U TUBE,U BEND TUBE,Tube for Chemical Industry
press fitting, drinking water pipe fitting,stainless steel press fitting
grooved fittings,Rigid Coupling, Flexible Coupling,Grooved Flange Adaptor, Grooved End Fitting,Mechanical Tee,BS1387
stainless steel weld pipe(welding pipe,A554,A312)
SWAGE NIPPLE (forge fitting, pipe fitting,steel fitting)
boss ,High pressure pipe fittings,forged fittings,ANSI B16.11
