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Suzhou Qingbang Machinery Co., Ltd. (referred to as HNK). With leading technology and raw materials, we provide you with the most advanced nitrogen gas separation equipment and high-quality services. Qingbang Company is in a new round of planning and
Our company is a leading supplier of high performance chemicals in China. As a major phosgene derivative production base in China, we share the largest capacity for phosgene production in China and offer a variety of products. Besides, We can customiZhangjiajie Jiurui Biotechnology Co., Ltd. is the largest domestic leading enterprise in the deep processing of gallnut series products, restructured from Zhangjiajie Tongyuan Chemical Co., Ltd. Its registered capital is 55 million RMB.