


About us
Main Key Trading is established in 1993
Major company operations
Import and export of electric heating materials, components, and according to customer needs.
Import and export various products,with 26 years of professional experience in electric heating products.
Products
Silica Glass Tube
Quartz Glass Tube/Rod/ plate
High-Purity Quartz Processed Products
Natural Mica
Artificial Mica Products
Mica Tape
Electrical Heating Wires
Pure Nickel High Temp Resistance Wire
Insulation Ceramic Accessories
IR Halogen Quartz Heater
Industrial Carbon Fiber Lamp Heater
PTC Heating Elements
Cartridge Heater
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