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，致力于全球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.

中正集团作为全球国际贸易链的质量监督环节，战略合作于全球多个行业协会与认证机构，中正将为您提供公平,公正,公开的第三方检测与认证服务及全球最优秀的质量管控方案。

Zhongzheng Group as the quality supervision chain of global international trade links, strategically cooperate in many global associations and local laboratories, Zhongzheng provides for you with fair, just and open third-party testing services and the most excellent quality control program.