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About Us
Huzhou Dapu Stainless Steel Co., LTD. is a strong corporate enterprise,The company has stainless steel welded pipe manufacture, stainless steel seamless pipe manufacture and stainless steel machine manufacture, professional production and operation of stainless steel products.focuses on more comprehensive and thoughtful to meet the requirements of the customer.
Company has obtained PED, ISO and Manufacture License of Special Equipment certificates.
The company annual production capacity is 15000 tons of stainless steel welded pipe, 8000 Tons of seamless stainless steel and 5000 tons of stainless steel machining ability. The company has a professional testing center,with advanced testing equipment at home and abroad: eddy current flaw detector, ultrasonic flaw detector, direct-reading spectrometer, X-raydetector, pressure unit, universal pressure test apparatus, and crystal physics and chemistry, equipment. In strict line with ASTM(ASME), EN, DIN, JIS, GB and other international standard. 

 
Quality Control Measure&Target----We purchase raw materials(plate&bar) from ZPSS, TISCO, BAOSTEEL,YONGXING and 
so on, we have stable supply and reliable quality, each chemical component,
mechanical
 property,dimensional tolerance all accord with ASTM
and GB standard request.We recheck
 each 
Heat number raw material before into the factory, the inspection including:Chemical 
component analysis,
mechanical test and intergranular corrosion test and so on. After our 
Testing Center issue the eligible report,
the raw materials can been into the factory,then put
on production
 
Company strict according to ISO Quality Management System proceed production’s control and supervise,implement special inspection,casual inspection 
combination way, to ensure the products’ quality.All products inspection according 
to the standard request,including: mechanical property,nondestructive testing,   
dimensional 
tolerance, surface quality etc inspection items stipulated in the standard. We 
build exclusive area for raw materials,
Intermediate products and finished products’ storage  and stack, ensuring don’t chaos the all products. We general don’t have inventory,the 
production processing cycle is from 20-30 days, also can according to customer’s request 
to
 confirm   the production plan.
 
Company  explicit  that  don’t  distinguish order’s large or small,  just for  contenting customer demand. We promise all delivery products are 100% qualified.If the customer think the
products have blemish, disqualification, we will 
unconditional timely return to deal with
 products. The packaging of export products use seaworthy plywood case,
we also have convenient and efficient logistics for the pipes  

With best products, most favorable price, best service for contenting 
customer’s demand is our forever tenet.
Stainless steel welded pipe production range:
Single slit: OD(Φ8mm-Φ630mm),wall thickness(0.5mm-25mm),
Girth: OD (Φ630mm-Φ3000mm),wall thickness(3mm-100mm)

Stainless steel seamless pipe production range:
OD:(Φ6mm-Φ1200mm),wall thickness(0.6mm-60mm).

The stainless steel mechanical manufacturing company have advanced producing equipment, and have a strong technical force, so we can produce many kinds of stainless steel products.

Main material: Austenite 304, 304L, 316, 316L, 321, 310S, 317L,347H,904L,etc; Duplex stainless steel S32304, S31803/S2205, S32750, S32550, etc;Nickel base alloy N08800, N08825,N06600, N06690, etc. The products are widely used in petroleum, chemical, paper, machinery, medicine, shipping, heat exchanger and other field.

Company concept:“Quality to win markets,improvement to be excellent”, Honest Operation, with fine quality, favorable price, dedicated service to our customers, and become your forever reliable partner.
 
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The company has stainless steel welded pipe manufacture, stainless steel seamless pipe manufacture and stainless steel machine manufacture in factory, professional production and operation of stainless steel products.focuses on more comprehensive and thoughtful to meet the requirements of the customer.
 
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