About ZhengHe
 
BEIJING SHIDAZHENGHE TESTING TECHNOLOGY CO., LTD is engaged in the testing and development of petroleum equipment ...[more]
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  1. A Quick-Acting, Long-Lasting Microbiocide for Water-Based Fracturing Fluid Systems...[more]
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BEIJING SHIDAZHENGHE TESTING TECHNOLOGY CO., LTD.
Add:5th Chaoqian Road the science park of changping Beijing
Tel:+86-10-60782114
E-mail:zhenghe@shidazhenghe.com
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