The Beijing office of Hebei Gaoyi Yongchang Zinc Industry Co., Ltd. was registered in Beijing. The company's main business is indirect zinc oxide; Direct zinc oxide; Nano zinc oxide; Environmental grade zinc oxide; Active zinc oxide, the company's products are widely used in indirect zinc oxide; Direct zinc oxide; Nano zinc oxide; Environmental grade zinc oxide; Active zinc oxide; Zinc oxide;;; For chemical industry, if necessary, please call the Beijing office of Hebei Gaoyi Yongchang Zinc Industry Co., Ltd. 【 View details 】