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Ji Jin is a professional engaged in various types of plastic mold design, manufacture and injection molding processing of production-oriented enterprises.

After-sales service

Regular visit

After-sales service personnel throughout the country pay a quarterly return visit. We will answer and solve the problems for you as soon as possible, so as to ensure that our products perform best for you.

Detailed customer network

The customer service center has established a detailed customer file management, which tracks and understands the use of products every year, so that the product

Frequently Asked Questions

  • How long can i get the feedbacks after we sent the inquiry? 

    - We will reply you within 12 hours in working day.

  • Are you a direct manufacturer or trading company?

    - We have a machining factory, we also have our own international sales department. we produce and sell all by ourselves.

  • What products can you offer?

    - We focus on Special Strapping Belt for Automobile、Car Wire Harness Buckle /Pipe Card、Wiring Harness Junction Box、Wiring Harness GuideGroove / Bracket.


  • What applications do your products relate to?

    - We have accumulated rich experience in the design and manufacture of injection molds for auto parts, household appliances, daily necessities, medical equipment, fitness equipment, and precision electronic products. Through several years of hard work, the molds we design and manufacture have won praise from many domestic and foreign customers in terms of appearance design and dimensional accuracy.

  • Can you do customized products?

    - Yes,we are mainly doing customized products according to the customers’ drawings or samples

  • How many employees of your comany?what about the technicists?

    - We now have more than 80 employees, including 15 engineers and 10 technicians.

  • How to guarantee the quality of your goods?

    -firstly, we will do the inspection after every process. for the finished products, we will do 100% inspection according to the customers’ requirements and the international standard.

    secondly, we have our own testing lab and the most advanced and complete inspection equipment in the casting industry, including spectrometer, metallographic microscope, tension tester, low-temperature tester, x-ray tester, MPT, ut, cmm, video measurement machine, and so on. with these advanced facilities & instruments, we are able to supply the most precise finished products to our customers, and make products meeting their overall inspection requirements on chemical composition, mechanical properties, non-destructive testing, and high precise dimensional inspections.

  • How to deliver the goods to us?

    - Usually we will ship the goods to you by sea because we are in Ningbo, and we are only70 kilometers away from the Ningbo Port, it is very convenient and efficient to ship goods to any other countries. of course, if your goods are very urgent, the Ningbo airport and shanghai airport are also very nearby.

  • Where are your products mainly exported to?

    - Our products are mainly exported to the United States, Germany, Japan, Spain, Italy, the United Kingdom, South Korea, Australia, Canada and other dozens of countries.