Polishing Plastic Injection Mould with High Level Quality and 250000-300000shots Mould Life

For LED bulb manufacturers, we combine polished plastic mould making with injection molding service to produce high-quality PVC plastic products. The mirror-polished cavity creates smooth, light-transmitting surfaces that improve bulb appearance and performance. With precise temperature control and careful handling, every part comes out uniform and dimensionally accurate. From mould fabrication to finished injection products, we support your production with reliable quality and fast delivery.

30 Years of Experience

Beijing Longshan Brothers Trading Co., Ltd. is located in Beijing, the capital of China. It has a mould company mainly in injection mould manufacturing, an aluminum die casting company mainly in die-casting mould manufacturing, a machinery company mainly in machine developing and manufacturing, and an OEM assembling company. It was founded in 1992, and covers an area of 15,000 square meters with more than 100 employees. ASSAB, LKM, YUDO, and other well-known domestic and foreign enterprises are the extended suppliers of raw materials. Products have long served China, Germany, Italy, Russia and other overseas countries.

The company has passed the ISO:9000 quality system certification. The company has mass-produced plastic parts, stamping parts and aluminum die castings parts with mould as tools. They are mainly used in electrical equipment, electric power, photovoltaic, aerospace, railway locomotives, household appliances, cars, construction materials, medical and other industries.

We have rich experience in meeting customer quality requirements. We also have a perfect service system in before sale, during sale and after sale. We are devoted to creating an Ever-stand Brand and building a century enterprise. Looking forward to the future, the company will uphold the business philosophy of professional quality, integrity and development, creating higher and more precise products. Making friends with whole world and achieve a better future hand in hand.