| material | cost | Optical accuracy | Temperature resistance | Heat dissipation | Anti-deformation | Shock | weight | 
| glass | high | high | high | it is good | it is good | difference | Big | 
Manager: Mr. Zhang        Cell phone: 13710026394
Sales: Miss Yao               Cell phone: 15975457630
Tel: 020-36006546
E-mail: lslight@163.com
Addr.: Tangge industrial zone, Xintang road, Baiyun district, Guangzhou
Zip Code: 510430

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