Business scope: Building Materials,
Crystal Crafts,
Quartz Glass Instrument Sales,
Quartz Products And Raw Materials,
Research And Development Of Quartz Technology,
Quartz Tube,
Lighting Appliances,
Other unlisted professional and technical service industries
Business scope: Building Materials,
Quartz Glass Instrument Sales,
Crystal Crafts,
Production Of Lighting Appliances,
Processing,
Quartz Products And Raw Materials,
Optical Instruments,
Research And Development Of Quartz Technology,
Lighting Appliances,