TradeVerifyKKQ Perlite Expansion & Vitrification Furnace is invented by our factory director and senior engineer Kong Keqiang in February,in the same year, He obtained patent for this kind of furnace, it first one world to be put into industrial production, ...

Based in China, Hengyuan Mining Group, as mine owners and a professional manufacturer of perlite vermiculite products for horticulture contribution building materials over 20 years, with the customers Japan, Korea,Taiwan, Vietnam, Hongkong, etc.,and ...

Qufu chunqiu Metallurgical Materials Co., Ltd. is located in the cultural history of ancient city qufu city, covering an area 15000 square meters, and near Beijing-Shanghai express way on east. Our company has US$15 million fixed assets, own six workshops, ...