Richest(hk) Development Ltd.

Richest(HK) Development Ltd. is located in NanFeng town, ZhangJiagang city , China.Our company mainly focus on R&D, production and sales of mechanical seals and parts , including pump, valve and so on, which are widely being used in petroleum, chemical, papermaking, marine, and many other fields, providing the matching service for petroleum, chemical industry, papermaking, marine, and many other fields.