Hong Kong Jiusheng Trading Co.,Ltd. was established in Hong Kong and office located in Yinchuan City, Ningxia. Our parent company, Ningxia Sansheng Ferroalloys Co., Ltd. has more than 20 years of experience in the field of ferroalloy. We have enough confidence and full of enthusiasm to provide quality services for the vast number of customers at home and abroad.The company's main products: silicon calcium, silicon metal, electrolytic mangan...