Sealing System

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[INQ. NO. 2011M03] SJ TECH Co., Ltd. was founded in 1997, and has been manufacturing the seals for oil cylinders and pneumatic pressure cylinders.
All products of SJ TECH are tested according to the ISO certification standards and QS quality management system before they are delivered to customers.
The Seals Business Division of SJ TECH has been making a huge investment in R&D to develop patented high-performance seals for all types of construction machines.
SJ TECH is supplying its products to prominent global companies, including Volvo, Doosan, Hyundai Construction, and Parker Hannifin (a heavy equipment company).
SJ TECH’s sealing system includes piston seal, dust seal, rod seal, buffer seal, wear ring, DU bush, o-ring, rotary seal (low friction), etc.

Battery Pack & BMS
SJ TECH Co., Ltd. provides various types of battery solutions for automobiles and ESS through its in-house, one-stop R&D solution.
SJ TECH’s E-Mobility Business Division manufactures battery packs for large companies (such as Yakult (8,000 or more electric carts) and Yamaha (20,000 or more units)), lightweight automobiles and golf carts.


 
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