About Richest

About company

Richest (HK) development limited is located in NanFeng town, Zhang Jiagang city, China. Our company mainly focus on R&D, production and sales of mechanical seals and parts, including pump, valve and so on. After continually improving, we have developed a variety of products to meet the demand of domestics and overseans markets. Generally, our products are widely being used in petroleum, chemical, paper making, marine, and many other fields, providing the matching service. http://www.rcmechanicalseal.com/