国产乱人偷精品免费视频,久久久久久亚洲精品美女,aaa看片,美丽姑娘免费观看中文版全集,夜夜操夜夜爽,日日做夜夜爱,日韩精品久久

Brand Center


Showcasing our values, reputation, and global presence

DEVELOPMENT HISTORY

2001

Xiangyang Yuchang Fine Chemical Co., Ltd. was founded, covering 80,000 m2 of land with a 20,000 m2 production site.

2005 – 2010

Established a world-class isolation workshop and two 100,000-class air purification systems. Improved infrastructure and gradually formed a modern production management framework.

2011 – 2015

Introduced advanced equipment including high-pressure hydrogenation systems, vacuum drying units, and nitrogen generation systems. Built the R&D center with HPLC, GC-MS, and other advanced analytical instruments.

2016 – 2018

Achieved ISO9001 Quality Management System certification. Products obtained EU REACH registration, Turkey KKDIK registration, and ROHS certification.

Production Scale

LEADING MANUFACTURER OF UV ABSORBERS


Plant Equipments

Plant Equipments

Plant Equipments

Plant Equipments

Plant Equipments

Plant Equipments

Plant Equipments

Plant Equipments

Plant Equipments

Plant Equipments