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About Us


ShenZhen QBH Technology Development Co., Ltd. is an innovative and high-tech enterprise, which is specialized in R&D, manufacturing, sales of industrial borescopes and providing OEM/ODM service, comprehensive solutions for automotive intelligent instruments. and YHF(Yonghengfeng)  is the parent company of QBH.

QBH was established in 2000, equipped with fist-class facilities, professional staffs, strong RD team and excellent technical capability. After years’ development with precipitation technology, QBH has developed into one of the most professional manufactures of borescope with biggest production capacity of industrial snake tube in the world.

QBH attaches great importance to build and protect proprietary intellectual properties. At present, QBH owns most of the intellectual properties in this industry with more than 30 patents (incl. 2 invention patents)

QBH also attaches great importance to products quality and safety standards to meet different safety regulations in different markets. QBH is an ISO9001:2015 & BSCI approval factory, and most of the products are in compliance with CE, RoHs, REACH, FCC, etc., furthermore, QBH products have been proved to be reliable, durable with good reputation and sellable both in domestic and oversea markets.

QBH always strive for cooperating with strategic partners worldwide with mutually beneficial relationship. QBH has signed a long term strategic cooperation agreement with Korea Hyundai Group, playing a role of Hyundai’s sole supplier of borescope in china mainland. QBH masters the core technology, independently produces the key components, provides stable quality products and tailor-made services, pays more attention to market protection, which enables QBH to be an excellent upstream direct & indirect supplier of well-known brands like wurth,3M, etc.

QBH upholds the management philosophy of “Quality first & market-orientation”. With artisan spirit and continuous innovation, QBH will keep developing professional, practical, reliable borescope and more comprehensive solutions to meet clients satisfaction worldwide.


  • Year Experience

    20+
  • Cover Area

    15,000m2
  • Experienced Staff

    200+
  • Customer Services

    24H
  • Exported Countries

    60+
  • Patent grants

    50+