Test method for sodium bisulphite content: 10 test methods includedFeb. 15, 2019
For the menaquinone bulk drug of sodium bisulfite, the content of sodium hydrogen sulfite was tested by redox titration. The content of the method was tested by using various reagents, and then the data of each method ...View More
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In October 1994, Haihang Industry Co., Ltd. was established. It is a production company mainly based on chemical raw materials.
In May 1996, the subsidiary Zhonglan Industry Co., Ltd. was established to produce and sell cosmetics raw materials.
In February 2001, Haihang Industry obtained import and export rights and began to do chemical export trade.
In October 2002, the domestic sales department, operating alone, Jinan Getchem Supply Chain Management Co., Ltd. was established, mainly to do domestic sales of chemicals.
In March 2007, Haihang Industry added 3,000 square meters of warehouse and 5,000 square meters of factory building
In October 2010, a quality inspection and research center equipped with advanced equipment and equipment began its custom chemical business.
In January 2013, due to our professional and high-quality services, we were favored by overseas customers. We established the International Trade Department to help customers purchase domestic chemicals.