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Japan tousei-sangyou Co. Ltd. is a high-tech enterprise specializing in the sales and technical support services of optoelectronic products and new energy products. We are also an authorized distributor for several well-known companies, including US Conec (USA), SUNCALL (Japan), HAKUSAN (Japan), SUMITOMO (Japan), and Changxincheng. Our product offerings cover a wide range of industries, including: Optical communication: fiber optic cables, connectors, manufacturing equipment, and consumables New energy vehicles: automotive high- and low-voltage connectors, wires, cables, tapes, harness fastening components, plastic and rubber parts for vehicles, power cords, fuses, and more Network cabling solutions Guided by our corporate spirit of "Integrity, Honesty, Unity, and Progress," and under the philosophy of "Customer First," we are committed to becoming a trusted business partner for our clients.

COMPANY NAME Japan tousei-sangyou Co. Ltd.
ESTABLISHED DATE 2019-10-25
ADDRESS 3-chōme-16-5 Kamisawa, Fujimi, Saitama Japan.
TEL:+81-4-9215-9229
PRESIDENT Jennifer Pi

PARENT COMPANY Luoyang Junke Optronic Technology Co., Ltd.
ESTABLISHED DATE 2007
ADDRESS No. 111A B7, Block B, Luoyang National University Science Park, No. 2 Penglai Road, Luoyang Area (Jianxi) of China (Henan) Pilot Free Trade Zone, Luoyang City, Henan Province 471000, P. R. China
TEL:+86-0379-65181617
PRESIDENT Jennifer Pi
BRANCH OFFICE Suite 1201, 13A, Business Center, 6979 Hongshan, Longhua New District, Shenzhen City, Guangdong Province, P. R. China
TEL:+86-13525440689
History of the Group
  • 2007
    Luoyang Junke Optronic Technology Co., Ltd. was founded with a registered capital of 5 million RMB.
  • 2007
    Began sales of Mipox polishing consumables.
  • 2007
    Qualified as an approved supplier for Jonhon Optronic Technology Co.,Ltd.
  • 2008
    Started sales of MPO connectors from OE, Taiwan.
  • 2008
    Began distributing products from US Conec and Hakusan.
  • 2010
    Launched sales of NTT polishing machines.

  • 2014
    Obtained distribution rights for LEONI.
  • 2015
    Began cooperation with Odawara Engineering.
  • 2018
    Started sales of Domaille products.
  • 2019
    Established a Japanese subsidiary, Japan tousei-sangyou Co. Ltd.
  • 2021
    Set up a Shenzhen office for Junke.
  • 2021
    Acquired exclusive agency rights for the SUNCALL brand in Japan.
  • 2022
    Developed and began production of Junke’s own brand of connectors.
  • 2022
    Started sales of SUMITOMO products in Japan.
  • 2023
    Became an authorized distributor for Changxinsheng.
  • 2024
    Became an authorized distributor of optical fibers and connectors from SUMITOMO Electric, Japan.