n August 2015 , Der Yen Corp. was renamed SIN CI ENTERPRISE CORP..Der Yen Corp. was established in January of 1996 in No.36, Lane163, Gunefu Rd., Situne District, Taichung City, Taiwan, do for good fortune widely with advanced technology and professional service. We have already become to the processing factory of the most professionally and accurate of welding now in the middle of Taiwan. There are 3 robot welding machines , hand in the totally multi-functional location equipment , such as welder , CO2 gas, argon gas welding and brazing welding etc... .Then we can processing the ultrathin and slight part and special material to weld and process accurately . And lead in the newest Laser Welding. And will be towards six-sigma method of the QC tool , is in the hope of keeping improving, become industry's leader.