Tongkai Holdings Limited is a comprehensive import and export licensed enterprise specialized in producing refractories, abrasives and water purification materials through advanced production technolo...

High purity graphite crucible, monocrystalline silicon furnace graphite crucible, isostatic pressing graphite, edm electrode, photovoltaic heat furnace with special graphite...

6F-18F, M&M Bldg, No.226, Dongdu Rd, Xiamen Xiamen, Fujia

MARS ROCK GROUP is a high-tech goup specializing in the R&D, manufacturer, and marketing of solar photovoltaic systems and solar products, our product range comprises 10 series that include multi-...

Shihuobeilu, Shijiazhuang, Hebei, China

Company&＃039;s main products as below: 1. Quartz (quartz tube, quartz rod, quartz block, quartz crucible, quartz heating element, high purity silica sand, fused silica), ***** Products(Soda As...