A kind of high-efficiency high-pressure resistant automobile air-conditioning condenser-practical new model patent certificate
A kind of parallel flow overhead evaporator with high heat transfer efficiency-practical model patent certificate
Dual integration certificate
Gui listed companies on the innovation board of zhejiang stock exchange
High efficiency condenser - utility model patent certificate
High strength new type cold reducer - utility model patent certificate
International commercial art designer qualification
International qualification in commercial art designer
Science and technology smes in zhejiang province
Utility model patent certificate