• Der Yen corp. founding in 1997, be engage in precision welding.

• Work for automobile parts welded in 1998, To coach QSI , ISO management, build the quality procedure , standardization and channel into the microcomputer equipment, manage with the automobile factory in step.

• Starts Automation Robot for Accurate Argon Gas Welding in 2000.

• Used 3D design software in 2001, with manufacturer's synchronous mold design, begins to produce and nail the rifle part to weld accurately and pneumatically.

• Extend second factories in 2003 , Work for Philips' Plasma TV shelf and Weber U.S.A.'s gas pipe parts for oven.

• Will build more second floors of second factories in 2005, increase the volume of the factory building.

• Supply complete service including parts and coating to reduce customer's over head. And increase products' marketing-competition ability in 2006-2007.

• To establish R&D department in 2008 , will help customer's Omni-directional Research and Development of products. And to start set up the Laser Welding technology.

  In August 2015 , Der Yen Corp. was renamed SIN CI ENTERPRISE CORP..

We offer the best and complete service from design, study, to make the jig or mold fast and intact with 3 D software. And the best welding technology for your products to get the best quality and the best cost to Increase the competitiveness. And the best welding technology for your products to get the best quality and the best cost to Increase the competitiveness.

Supply complete design service. And Guarantee to keep Secret in the whole journey, respect customer's rights and interests and ensure customer's intelligence proprietary.

Never have any oversight in QC system is that we promise. And what we do, whole the parts must to go through IQC inspect passed before on-line, SOP of working procedure, self-inspection sheet of labor, and check by gage or ruler etc... to guarantee the quality of the product.

1. Concerns continuously forever to be the principle for operate business.

2. To looks after the staff to be the principle for the management.

3. Control the quality and at right time to be principle for the competition.

4. Run manufacturing industry with the spirit of trading service.

In the hardware marketing, we may ripe to the making of the products and demand idea. Respond to the request that the each detail of the part.

To renew the equipment and the latest technology, supply the best service to let products stand in advantage of market, and honor coexist altogether.

Handle the whole of design and jig or mold making to increase the precision of products, demand to improve and process precision, and quality stability further. And combine the coating segment and assemble serving, do overall quality to check on.

We engaged in various kinds of different metal welding and make up.

Spot welding : Including Direct Current Spot Welding, Alternating Current Spot Welding and Frequency Conversion Spot Welding.

The Argon Welding : Including Direct Current Welding, Alternating Current Welding , Frequency Conversion Welding and Robot Automatically Welding.
　

CO2 Gas Welding : Including CO2 Gas Welding , MIG, Pulse Type and Robot Automatically Welding.

Brazing Welding : Including Silver solder, Aluminum solder and Copper solder.

Specially Welding : Including Plasma Welding and Laser Welding.

Well Welding experience for Special metal, for instance Titanium, Platinum Wire, Dual phase steel, Stainless steel, Thin Metal Sheet, Aluminum Alloy, Duo-Metal etc...