中正检测集团（简称OTC），是合法从事检验、鉴定、测试、验货和认证的第三方服务机构，致力于**商品供应链的质量鉴定和审核业务，专注于提供各个行业的质量解决方案。 Zhongzheng Group (OTC CHINA CERTIFICATE AND TESTING CENTER) is the lawful exercise of inspection, identification, testing, products inspection and certification third-party service agency. We are committed to quality appraisal, examination and verification business of the global commodity supply chain, and concentrate on providing quality solutions in a wide range of industrires. 公正、健康、安全、环保、社会责任是我们每个员工的信念。 Fairness, health, safeness, environment protection and social responsibility are we each employee's beliefs. 中正集团作为**国际贸易链的质量监督环节，战略合作于**多个行业协会与认证机构，中正将为您提供公平,..
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