Shaanxi Zhengsheng Kangyuan Bio-medical Co., Ltd. is one of the most professional GMP certified manufacturers of natural herbal extracts, health care products, weight loss products, hygienic products and essential oil in china. We specialize in manufacturing a wide range of natural plant herbal extracts, pharmaceutical intermediates, fruit juice powder, natural food chemical additives, etc. We are ISO9001:2008 and GMP certified. Our products are exported to clients worldwide. Our GMP produ...