Company Profile Zhongshan Mayen Commerce and Trading Co., Ltd. is one of the highly reputed laboratory products suppliers. With years of experience with our factory in production and sales, we comply with the demand of industry development. Nowadays, we are taking the lead in universities, institutes and industries like pharmaceuticals, medical, chemical, petrochemicals, electronic, metallurgical and mechanicals. And our products have been exported to North America, Europe, Asia, Middle East, etc. ...