Shandong Hengtong Biotechnology Co., Ltd., established in August 2010, is located on the National Highway 220 (G220), in Binzhou, Shandong. Developed by the current international techniques£¬calcium citrate, magnesium citrate and zinc citrate are insoluble, slightly soluble in water, which is difficult to absorb for human bodies, leaving their use limited. Our co***ny, a provincial-level high-tech enterprise, is the first to produce soluble calcium citrate, soluble zinc citrate and soluble magnesium citrate ...
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