Quality trust
Lanbaofuse has won honors such as excellent suppliers and green partners awarded by many well-known manufacturers. After years of exploration and accumulation, the company has won a good market reputation and has developed into a well-known enterprise in the industry with profound qualifications and good performance.
Quality Control

   In order to effectively control the quality and supply flawless products, we strictly train all QC personnel to strengthen the quality control management system, and also purchase precision testing equipment, which includes the function of X-ray machine to see through the fuse structure.

  Procedure/test details Sapphire complies with RoHS (Restriction of Hazardous Substances) and REACH (Chemical Standards), and implements its solutions based on the principle of environmental protection to protect the earth. And use energy dispersive X-ray fluorescence spectrometer to detect and control hazardous metal raw materials and finished products.

   awards and other recognition of Sapphire’s product certifications:


Quality trust
R&D and testing

Lanbaofuse is a private enterprise that produces and sells current fuses, chip precision current sensing resistors, temperature switches, and temperature sensors. Its safety products have obtained UL, VDE, CCC, CQC, KC, PSE, CB and other related certifications. The products have achieved lead-free production and fully comply with the RoHS directive and REACH regulations. The company has passed the BSIISO9001 and CCIS014001 certification.

   The company's existing modern production plant, has a variety of advanced fully automated processing and assembly equipment and testing equipment, a monthly production capacity of 100KK, and has passed the ISO9001 quality management system certification and ISO14001 environmental management system certification. The company's products have passed UL, CUL, VDE, CCC, CQC, CB, PSE, TUV and other national safety certifications, and all products comply with the environmental protection requirements of the RoHS directive and REACH regulations.

   More than 80% of the automated production lines are advanced and independent production equipment, which are developed and manufactured according to the production needs of FUSE, which greatly improves our production efficiency and improves our quality. The testing project has a very complete testing instrument to ensure the consistency and reliability of the product. List of test items:

  • Fuse test
  • Salt spray test
  • Electron microscope test
  • Breaking capacity test
  • Insulation test
  • Pull test
  • Vibration test
  • Thermal shock
  • Soldering resistance test
  • Temperature rise test
  • Environmental experiment
  • Coating thickness meter and material analysis
R&D and testing
Trade and sales

  Lanbaofuse has been deeply involved in fuse design and system engineering for many years to ensure that the product quality can fully meet the needs of customers. Customer first, excellent quality, continuous innovation and continuous improvement are Sapphire’s quality policy. The company obtained ISO9001&ISO14001 system certification in 2006 and plans to pass IATF16949 certification in 2022.

      Sapphire is also the owner of the United States & Canada UL, Japan PSE, Germany VDE, TUV, China Compulsory Certification CCC, South Korea KC Circuit protection device manufacturers certified by international safety standards in six countries.

  Main customer groups:

  • Japan: Panasonic
  • Taiwan: Foxconn, Delta, Liteon, Chicony, Acbel
  • South Korea: Samsung, Solum, Hansol
  • Europe and America: Artesyn, Flex, RPS, GE, Whirlpool, Schneider
  • Mainland China: BYD, Xiaomi MI, TII, PHILIPS, OSRAM, Midea
Trade and sales
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