310S/ SUS316L/316ti/Tp321h/ 309S/304 DIN 1.4529 Welding/ERW/Seamless/Square Stainless Steel/Inox Tube/Pipe/Flange/Accessory/ Forged

To meet customer requirements, the quality inspector carries out final inspection and test of raw materials and finished pipe products in strict accordance with the inspection standard required by customers. According to stipulated standard requirements, analysis to chemical components of purchased materials and finished products is carried out to strictly control the materials, mechanical properties and chemical properties of finished products are tested, and eddy current test and ultrasonic nondestructive test are carried out, so as to guarantee product quality.

According to the technical conditions and requirements of product standards, the inspector will check the end appearance, bending degree, specified length,outside diameter, wall thickness dimension and internal and external surfaces of finished products one by one. After the product has been found to be up to standard through inspection and test, the quality certification of the product will be issued to ensure that satisfactory and reliable products are delivered to customers.

Shipping:

1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 
 
2. Goods delivered by 20" , 40" FCL/LCL by quantity or customer's request.
 
3. Customers specifying freight forwarders or negotiable shipping methods!

4. Delivery Time: 7-30days after conformed or according to quantity.
 

About Us                                                                                                                        

Zhongzheng Stainless Steel is one of the leading manufacturer and exporter  for the Stainless Steel Seamless Pipes & Tubes from  China. Based on our Stainless Steel seamless pipe factory, We supply the ONE-STOP service fittings,flanges, valves etc to our customers home and abroad. 

We manufacture strictly as per the standard, We have mechanical properties test machine, supersonic testing machine, eddying current test machine, hydrostatic test machine, and spectrum analyzer for chemical composition.etc equipment to insure manufacturing processes and inspection and final quality guarantee.   

  
We welcome customers themselves and/or their appointed third party inspection such as SGS,BV,MOODY, LIoyd's,TUV,DNV Etc well-known third party to conduct the inspection to our company and our products.