About Us

Company Profile

Shanghai Best International Trade Co., Ltd. is a company engaged in the import and export of goods and technology, valve sales and other businesses. The main products are: flat gate valve, forged steel gate valve, wedge gate valve, ball valve, stop valve, check valve, butterfly valve and other series of valves, pumps, mechanical equipment and accessories. Our products are widely used in oil and gas, chemical industry, electric power, energy, industrial machinery and other fields.

The excellent product quality and perfect pre-sale and after-sales service have been praised by the majority of users. The company sincerely hopes to establish long-term business cooperation with customers at home and abroad. We adhere to the principles of quality first, reputation first, management first, and service first to provide products and services for customers.

Our Service

Adhere to demand-oriented, focus on industry dynamics and market changes, and fully assist customers to improve efficiency and ultimately improve efficiency!


The basic principle is to improve the ultimate benefit of customers.


Special personnel connect special services to realize business closed-loop.


We pay more attention to sustainability.


Use rich international and domestic resources to meet customer needs.

Quality Control

1. Quality control of incoming materials and components
Incoming materials undergo several types of analysis – for example material analysis, hardness analysis or porosity analysis. Further analysis is carried out in cooperation with external laboratories and certification authorities.

2. In-production quality control
During the production stage, all machined components are being checked for accuracy. Random checks are performed on the running production. Results from all relevant measurements get recorded by quality inspection workers. After evaluation of all results recorded, long term actions are suggested by our professionals. This approach enables us to achieve continuous improvement in our production process.

3. Assembly inspection
BEST quality standards require that every single piece of valve passes a tightness test performed by assembly line operators and randomly checked by independent quality workers. Tightness tests are performed under standard conditions acc. comply with API 598, EN 12266 and GOST R.

4. Final inspection
Final quality inspection is performed after complete valves are handed over from the assembly line but before they are made available for expedition by the packaging and storage department. During the final inspection process, finished valves are inspected for conformity with customer requirements. This check is performed by auditors who are independent the production department, and only after conformity is confirmed, valves are released for expedition.

Quality Guarantee

Concerning quality guarantee, our usual guarantee period is 18 months from delivery date(If calculated from the date of installation, the warranty period is 12 months), we can guarantee that our valve will work well in their life circle and we will be responsible for any valves we sold. Our aim is to produce "zero leakage" and "long reliable service life" valves to minimum the "Total Costs".

We always devote to provide the first class valve product and services of fine character and high ratio of performance-price for the current industry. We also know we need to have a whole set of strong and high effective quality management system in order to assure the high character of the products, meanwhile we make solemn quality promises to all of our products with high responsible attitude, ensure its products to be in compliance with international and area relative product standards, meet the requirements of the current industry.

So all our valve products are designed strictly according to the international newest product standards and continuously improve and upgrade designing ideal, manufacturing process, quality management level in order to realize the quality promises and always make BEST VALVE to be the first class valve manufacturer and solution provider both domestically and abroad.

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