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About Us

Company Profile

ROCK have specialized in aluminum spacer bar manufacturer more than 18 years, and 13 years in sealant, Georgian bar, molecular sieve and related accessory produce, We can provide one stop solution for you insulated glass.

Rock take the lead to adopt the US Thermtool high frequency welding technology , now we have about 13 advanced spacer production lines, more lines will be introduced in future, Rock serves a high-end Aluminum spacer for the insulating glass.
Rock now make it headquarter in Beijing. our products are very popular with worldwide market.

About aluminum spacer bar;
*The side welding line bendable spacer bar also have been put on the market.
*For the machine, we use high imitate Germany production line. we are the sole factory have this machine in China. If with our cooperator bend machine, our 0.27mm thickness bar also can be bendable.

About sealant;
Our silicone will not become crisp and crack subzero 30 degree, and will not become soft, degradation at 90 degree.