Zley Holdings （WEINAN CHANGTONG PHARMACHEM TECH CO., LTD.）was established in 1987, we have complete and advanced chemical materials production line. For a long time, we provided various active ingredients for Fosun Group, L'Oreal, Dow, and other internationally famous enterprises.
In accordance with the international standards of drug production management standard production operation, we can fully guarantee the high quality, safe and reliable API production requirements. we insist on making the quality of its products a leading position in the industry.
We have passed SGS international certification, ISO9001 quality management system certification, EU ISO22716 cosmetics quality management system certification, the United States GMPC quality management system certification.
Adhering to the enterprise spirit of "Professional and Dedicated", adhering to the business philosophy of "integrity, pragmatic, enterprising, sustainable", and relying on advanced technology and equipment, strict product quality control, the pursuit of 100% customer satisfaction.