Qingdao Lubo Weiye Environmental Protection Technology Co.,

[ Manufacturer ]Main business are Gas detection and alarm equipment, Alcohol testing equipment, Water quality testing equipment, Special exhaust gas purification equipment, Dust handling equipment, Dust cleaning and recovery equipment.

Zibo Tongji Bone Porcelain Co., Ltd.

[ Manufacturer ]Main business are High-grade bone porcelain products

Qingdao Crystechcoating Co., Ltd.

[ Manufacturer ]Main business are Wide Band PBS, Non-polarization X-Cube, Bio-medical Filter, Light guide(IPL), Interference Filter, HR/AR/PR Mirror, Polarizer, Crystal coating, Coating service(300-3000nm), IBS Coating

Shandong Bright Optronics Co., Ltd.

[ Manufacturer ]Main business are KTP crystal, Optical devices