Sanitary stainless steel SS304 SS316L Oval Non-Pressure tank pressurized manhole cover sealed manhole manhole covers

Wenzhou Changwei Pipe Fittings Co., Ltd. was established in 2005, located in Wenzhou Binhai Economic Development Zone, "China valve city", close to Wenzhou Longwan International Airport, Longwan port, Yongtaiwen expressway, convenient transportation and beautiful environment.

Wenzhou Changwei pipe Fittings Co., Ltd is a sanitary pipe fitting and pipe support manufacturer integrating design, development, manufacture and sales.Introduction of domestic and foreign advanced processing equipment, technology and import testing equipment, and a rigorous professional research and development team and refined production team, perfect quality system and after-sales service guarantee, according to different requirements of customers, different standards to organize research and development and production!The company strictly follows the international DIN, SMS, ISO, IDF, 3A, RJT, DS, BS, BPE and other standards for production.

Products are widely used in the beer industry, dairy industry, pharmaceutical industry, petroleum, chemical and mechanical manufacturing fields.Products, exported to the Americas, Europe, southeast Asia and other parts of the world, by the majority of customers highly praised.

1.Are you a trading company or factory?

We are a manufacturing factory.

2.May I have free sample before ordering?

Yes,our company is very pleased to send to you free sample for quality test.

3.What’s the payment terms?

For small testing orders,we accept Paypal,Western Union,T/T and credit Card. For mass orders,we accept T/T .

4.How do you control the quality?

Quality control is very important to avoid material mixing and poor quality. We control the quality from beginning to the end. We only have 304 and 316L two different materials. 100% inspection on raw material. During production, different materials in different place. After materials are finished,we choose 30% for inspection. If there is 0.5% problem in 30%, then no excuse to go ahead for inspecting 100% of the materials.

5.If there is any quality problem, how do you solve it?

We are proud that we never let one customer leave us. We are not 100% perfect, but we are 100% avoid to the problem. We control the correct materials in the beginning, so we need less time for quality problem. If there is any quality problem,we take the responsibility.

6.More questions are appreciated.

More questions are appreciated.

7.How long is your delivery time?

For normal production in 3-10days. For bulk order in 25-45days.

8.Warranty

Two years warranty for all of our stainless steel products. Gaskets are not included due to the different application for customers.