Dear customer, hello!
We are a manufacturer specializing in the production of high-quality plastic injection molds and injection molding machines. We have a modern self-operated factory. Our products are widely used in many industries such as construction, home furnishing, electronics, medical, and auto parts. With innovative design, exquisite craftsmanship and stable quality, our products are not only popular in the domestic market, but also exported to overseas markets such as Europe, America, and Southeast Asia, and are deeply trusted by customers!
Why choose us?
✅ Own factory, quality assurance
We have advanced production equipment and technical teams. From mold design to injection molding, we independently produce the whole process and strictly control every process to ensure high product precision, strong durability and stable performance!
✅ Novel style, support customization
Keep up with industry trends, provide a variety of molds and injection molding machine options, and support personalized customization. Whether it is size, material or functional requirements, we can meet your special requirements!
✅ Widely used, globally recognized
Our products are suitable for building components, household goods, electronic housings, medical devices, automotive parts and other fields, and have passed international certification, meet European and American market standards, and have rich export experience!
✅ High cost performance, thoughtful service
Factory direct supply, obvious price advantage! Provide professional technical consultation, sample trial production, mass production and after-sales support to help you complete the project efficiently!
We are a manufacturer specializing in the production of high-quality plastic injection molds and injection molding machines. We have a modern self-operated factory. Our products are widely used in many industries such as construction, home furnishing, electronics, medical, and auto parts. With innovative design, exquisite craftsmanship and stable quality, our products are not only popular in the domestic market, but also exported to overseas markets such as Europe, America, and Southeast Asia, and are deeply trusted by customers!
Why choose us?
✅ Own factory, quality assurance
We have advanced production equipment and technical teams. From mold design to injection molding, we independently produce the whole process and strictly control every process to ensure high product precision, strong durability and stable performance!
✅ Novel style, support customization
Keep up with industry trends, provide a variety of molds and injection molding machine options, and support personalized customization. Whether it is size, material or functional requirements, we can meet your special requirements!
✅ Widely used, globally recognized
Our products are suitable for building components, household goods, electronic housings, medical devices, automotive parts and other fields, and have passed international certification, meet European and American market standards, and have rich export experience!
✅ High cost performance, thoughtful service
Factory direct supply, obvious price advantage! Provide professional technical consultation, sample trial production, mass production and after-sales support to help you complete the project efficiently!
Longthin hinge over the years has always adhered to "quality of products in order to survive, credibility and development services" business purposes. Committed to providing you with high-quality products and quality services. Have a professional, dedicated design management team, from product design, mold making, molding to the Product assembly, for each aspect and processes are rigorously testing and control.
Over the past few years of production and management and exploration, Longtai set up its own quality management system. Passed the ISO9001: 2000 quality system certification system. Longtai to always implement the concept of customer value creation for customers tailored products to meet the needs of different customers, and continuously provide customers with solutions and technical problems. Further exploration and innovation, and excellence.
Warmly welcome you and opening up the boundaries of communication. We synchronize with your ideal partner!



