Tsai Jung Enterprise Co., Ltd. /Shun Chuen Precision Technology Co., Ltd.
    was founded in 2007. In 2020, it moved to new plant. The company is directed toward the goal of elaborating and promoting products with the brand name ''MASSLOAD''and responsible for communicating between Taiwan and China. The customers included Taiwan assembling factory, trading company and foreign customers.  It primarily manufatures bicycle carriers, water bottle cages, kickstand etc. It also includes OEM projects of customers. Inspection equipments: fatigue testing machine, ISO testing machine, and micro-computer type universal testing machine.

 B  Ibera Co., Ltd.
    was founded in 1984. The site area is counted for 3,500 sq.meters. The company produce s mainly press molds and press products and has its own molding department to meet customers' demand. (OEM and ODM) The company achieved ISO 9001 in 2001. Facility included press machine, auto press machine, CNC machine. Inspection equipment: 3D Coordinate Measuring Machine, Hardness Tester, etc. It primarily manufactures bicycle carriers, bags, water bottle cages and press products etc. In 2005, the owned brand''IBERA''start to work. The field included PakRak bag and rack system, functional cages, etc bicycle and sports products and also work on elaborating and promoting in globe market. 

 C  Tsai Jung Cast Co., Ltd.
    was founded in 1990. The site area occupied 2,000sq.l meters. The company makes Die-Cast products as a subcontractor since it was founded. And now we also develop CCTV Housing/Bracket, Dome, CCD Camera series products by own brand name of ''MASSLOAD''export to all of the world.

 D  Jong Joen Enterprise Co. Ltd. 
    was established in 2020 and it mainly for die-cast products (kickstand etc.)

 E  Tsai Jung Cast Co., Ltd. (Changhua Costal Industrial Area)
    was founded in 2017. The site area occupied 8700sq. meters. The company mainly powder coating, liquid coating productin line and help other branches for painting.

 F  Shun Chuen Metal Products Co., Ltd.
    located at Dongguan City(next to ShenZhen), Guangdong Province, China, was established in 1993. The site area is counted totally for 10,000sq. meters and there are 400 employees. The company achieved ISO 9002 in 1997, ISO 9001 in 2003, ISO 14001 in 2005. It primarily manufactures bicycle carriers, water bottle cages, kickstands, alloy basket, golf frame, hopsital oxgen carrier CART and other metal and plastic parts. The company has its own mold department, all mold are produced in house. The company has started and expanded automated production. Main market are in the European and American.

 G  Hongzhan Metal Products Co., Ltd.

    was found in 2003, located in Xiegang Twon, Dongguan city, has a total floor area of 13,000sq meters with 120 employees. The company has one welding line,one anodizing line and one assembly line. The company is mainly engaged in Decathlon scooter assembly, anodizing finish, welding and stamping produce.

 H  Tsai Jung (Taicang) Cast Co., Ltd.
    located adjacent to Shanghai city, has a total floor area of 40,000 square feet with 100 employees. The company is mainly engaged in mold department & design, press products and welded products such as bicycle alloy carriers and water bottle cages, alloy kickstand, as well as CNC high-precision wire-cutting machines from western Japan also included alloy die-cast. The company achiebed ISO 9001 in 2005.