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Changzhou Yingyuan Metal Materials Co., Ltd.



Address:No. 8, East Guangdian Road, Wujin District, Changzhou, Jiangsu, China 213161

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About Us

Company profile - Changzhou Yingyuan Metal Materials Co., Ltd.

Our company specializes in the production and sales of various materials and specifications of stainless steel seamless precision bright tubes.

Our company strictly produces the products in accordance with GB / T, ASTM / ASME, DIN, JIS, GOST standards and holds strong process design and R & D capabilities that plays the role of leader in China's stainless steel industry technology. We support flanges and fittings according to customer special requirements. The company sales steel tubes and pipes which are made of TP304, TP304L, TP316, TP316L, TP321, TP316Ti austenitic stainless steel pipes, 904L, duplex steel, nickel-based alloy as well as hastelloy pipes. Delivery status can be bright annealed, polished tube,etc.

1.Main Product Images-High purity seamless stainless steel precision tubes ( bright annealing tubes)

2.Product Features

Our seamless adopt the molded method of multi-roll cold rolling, in order to ensure the dimensional accuracy which can be up to 0.02 mm minimum and the minimum surface finish of tubes’ internal and external can be achieved Ra≤ 0.05um. Heat treatment carries out under vacuum or vacuum plus protection of the atmosphere, so as to keep the metal from not to be oxidized at high temperatures and avoid the pickling process. All these processes fully embody the metallic luster. Final inspection including eddy current, ultrasonic, pressure, etc., so as to ensure the internal quality of the products. Product packaging is single socket PVC envelope, thus avoid damage and contamination in the process of circulation. It can be customized according to customer requirements for various production standards (GB, ASTM, and EN), specifications and tolerances of stainless steel seamless pipe.

3.Product Application Areas

Our products are widely used in chemical, biological, pharmaceutical, electronics, paper, aerospace, precision machinery and other areas which have high quality requirements. 50 percent of our products are used for export, which including the United Kingdom, Germany, the United States, South Korea, Singapore and other countries and regions. Raw materials for the products are attached certificate of warranty and product quality assurance which enjoys a good reputation in the domestic market.