Stainless Steel Tubes

we are professional in die forgings and castings,ring,shaft,gear,flange,cylinder and other products.

Our goal is not just providing products, but also providing a complete solution including product design, tooling, fabrication and service for our customers to achieve their uppermost satisfaction.

We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with the best quality at the reasonable price.

Jiangsu Berg Donjin Pipe-line Equipment Co., Ltd. Founded in 1997, it is a medium-sized enterprise specializing in the design and manufacture of pipeline equipment, and a "national contract-oriented, trustworthy" enterprise.

The company has strong technical development force, advanced production equipment and strict testing means. Mainly produced stainless steel bellows of high, medium, and low pressure, stainless steel bellows expansion joints, rectangular expansion joints, non-metallic expansion joints and other products. The design, manufacture and inspection of the company's products are strictly in accordance with the standards of American Expansion Joint Manufacturers Association (EJMA 2008 edition), national standards GB/T12777, GB/T14525, GB16749-1997, GB150-2011, CB1153-2008, JB/T6169-2006, etc. Now it has become the main bellows manufacturer in China. The company has a high reputation in the bellows manufacturer all over the country. It is one of the suppliers of the supply units of the Ministry of Electricity and the Ministry of Metallurgy, the recommendation enterprises of the products needed by Sinopec Projects and the shipbuilding enterprises. The metal hoses and expansion joints produced have the characteristics of stable quality, high technical content and preferential price.

The company's products sell well all over the country, and are exported to Southeast Asia, Eastern Europe, the Middle East and other regions. The products are widely used in thermoelectric, steel, thermal, cement, water conservancy, hydropower, and other industries. The company has successively obtained "Star Enterprise", "Measurement Guarantee

Confirmation Enterprise", "Total Quality Management Achievement Enterprise", "Customer Satisfaction Product Enterprise", "AAA Enterprise", "Special Equipment Design License f the People's Republic of China", "Special Equipment Manufacturing License of the People's Republic of China" and "ISO 9001:2008 Quality Management System Certification" in Taizhou and Jiangyan City. Certificate, ISO14001:2004 Environmental Management System Certificate and GB/T 2800 1-2011 Occupational Health and Safety Management System Certificate.

Over the past decade, the company has been developing steadily, and the market share of products has been increasing. We are dedicated to providing high-quality products and services for domestic and foreign users. Welcome to contact us for business negotiation.

Ningbo Yushen trading Co.,Ltd, a professional dust-free drywall sander supplier was founded in 2014.We have a R&D team experience in the field of drywall sanders or high-pressure pumps,especially good at dustproof or waterproof design.

In 2017,we founded Ningbo Common Electric Tools Co.,Ltd specializing in manufacturing drywall sander.

There are at least 5 innovations for each products to ensure safe and quality,ergonomic,easy,comfortable and convenient performance.Our dust collection percent is more than 97% so that it enjoy the good reputation in the market.

We trust that the specialty casts quality,the concentration achieve future success.