Fairfield Crystal Technology is a leading supplier of high quality, purity, single-crystal materials that enable their customers to develop next generation semiconductor devices and precision optical components. Fairfield Technology\'s crystal ...

Hengshui yovey fine chemical Co., Ltd. is professional manufacture of Succinonitrile(Butanedinitrile), DSD acid industrial enterprise. Our corporation enjoys powerful technical force and first-class production equipment, strict management ...