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ZhongZhi enterprises was founded in 1989,is an ISO9001 certified co***ny.over 20 years development establishes we own strong technical force,long-term cooperation with diamond technological research institute,skillful workers,experienced technocoans and engineers work for technical innovation.At present more than 85% of our products are exported to Europe,American,Middle East and Southeast Asia.our product enjoy a good reputation in this line.at any time we are working for meeting with customer's satisfacti...
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