Beijing Tongzhouzhiyuan Environmental Technology co. ltd is one of the largest professional manufactures for household water filter, industrial water processing equipments, water processing parts and materials, our products are widely used in different kinds of lines, such as electric, electrogilding, power plant , medicine, oil, chemical industry, foodstuff ect. And we have established high prestige at home.
Service principle: exceed customers¡¯ requirements for good service
Service direction: cl...
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