Hundrdds of new models made of monel are presented every season.The eximious quality and reasonable proce are always the priorities for positioning.
 
 
Cheng Yi Optical (Xiamen) Co., Ltd. TEL:86-592-5516018ˇˇFAX:86-592-5516027 5516028 ˇˇ E-mail:chengyi@chengyi.com