With rich experience in Aluminium alloy, Zinc and Magnesium alloy die casting mould making and parts die casting, before the die casting mould design, we would provide you with our detailed die casting mold flow simulation report for your approval. After received your final part 3d data, we would provide you with our 3d mould design within 3-5 days. All mould cavity and core steel certified with formal certification, we will use SKD61, 8407 steels etc... for mould cavity and core making. Weekly mould making process report will be sent you with detailed mould cavity pictures.

We are specialized in plastic injection mould making, plastic injection moulding and finished parts mass production and  assembly. 

Our engineers and technical staff will work with customer's own engineers on the design of  tooling to ensure smooth production and optimum performance of the finished product. Our engineers designed mould by PRO/ENGINEER, SOLIDWORKS, UNIGRAPHICS and simulation analysis software to be sure the quality and high efficiency before tooling machining. Mould cavity and frame will be machined by automatic CNC milling center, CNC turning lathe, EDM , wire cutting machines. Our experiences and technology will be great helpful for you.

We are Chinese mold maker, dedicated in designing and producing plastic and metal molds and finished parts mass production and  assembly. We are striving to be the leading mold& molding manufacturer in the world.

We custom and produce Solar power castings. Such as solar power converter and inverter  heat sinks casting,  the key components of solar systems.

We are professional die casting manufacturer in various Lighting parts for indoor and outdoor use.  Such as: housings for led tunnel lamp,  enclosures for floodlights, enclosures for roadway lights, street lights, Housings for traffic lights, Housings for  parking garage lighting, heat sinks for spotlight, Hanging lighting fixtures, Wall sconce fixtures,  etc.

We custom and produce die casting parts for electrical products such as the enclosures, housings, covers, shells, cases, cabinets, boxes, frames, brackets etc. They are commonly used on numberous kinds of elecronic products like telcommunications, led lightings, metal chassises, generators, PCBs, sound equipments and so on.

We custom aluminum die castings for telecommunication industry. We can produce 1g to 10kg die casting products depending on your specific needs.  Professional one stop services are provided include engineering, designing, prototyping, tooling, and mass production. All our parts meet exacting specifications and aggressive casting delivery times. . Besides high quality die casting, we offer secondary services include CNC/CAD-CAM machining, annealing, tumble deburring, cryogenic deburring, vibratory finishing, coatings, painting & electrical plating, assembling.

OEM zinc die cast parts are manufactured for different industries: automotive, lighting, communication, medical, electronic, appliance, OA and computer systems, etc. Our zinc die casting equipments from 80Ton to  280Ton  can produce zinc die cast products depending on your specific needs. Our design process assures parts meet exacting specifications and our streamlined manufacturing systems allow us to offer aggressive casting delivery times. Professional one stop services are provided include engineering, designing, prototyping, tooling, and mass production. Besides high quality die casting, we offer secondary services include CNC/CAD-CAM machining, annealing, tumble deburring, cryogenic deburring, vibratory finishing, coatings, painting & electrical plating, assembling.

This part is used as telcommunication splitter. Material: zinc alloys, including Zamak 2, Zamak 3, Zamak 5, Zamak 7, and ZA-8.  Zinc die casting, zinc alloy, zinc part, telcommunication splitter, cable case. Our zinc die casting equipments from 80Ton to 168Ton can produce from 1g to 5kg products depending on your specific needs. We meet exacting specifications and offer aggressive casting delivery times. Professional one stop services are provided include engineering, designing, prototyping, tooling, and mass production. Besides high quality die casting, we offer secondary services include CNC/CAD-CAM machining, annealing, tumble deburring, cryogenic deburring, vibratory finishing, coatings, painting & electrical plating, assembling.

We have capacity to manufacture large range of zinc aloy die casting parts that applied in various industries: automotive, communication,  lighting, electronics, medical, OA and computer system,  sports,  toys, decoration, machinery etc.  Material: zinc alloys, including Zamak 2, Zamak 3, Zamak 5, Zamak 7, and ZA-8.

We have capacity to manufacture large range of zinc die casting parts. Zinc die casting handles can be used for doors, locksets, cabinets, furnitures, home appliances, etc. Our zinc die casting equipments from 80Ton to 280Ton can produce zinc die casting parts, zinc die cating handle, zinc alloy die casting, zamak die casting products depending on your specific needs. Our design process assures parts meet exacting specifications and our streamlined manufacturing systems allow us to offer aggressive casting delivery times. Professional one stop services are provided include engineering, designing, prototyping, tooling, and mass production. Besides high quality die casting, we offer secondary services include CNC/CAD-CAM machining, annealing, tumble deburring, cryogenic deburring, vibratory finishing, coatings, painting & electrical plating, assembling.

Our CNC equipments and capacity allow us to create CNC machined parts and prototypes in 1 to 2 weeks. We offer turning, milling, drilling, tapping, boring, and grinding for a variety of materials.  

CNC Precision machining is important to modern industries that require components with tight tolerances. CNC machining for parts with high precision require knowledge of the industries. It also requires acquired skill through years of experience, advanced Computer Numerical Control (CNC) technology, and up-to-date machining equipment. Our highly trained employees complete CNC precision machining—of intricate components for highly complex industries—out of a technologically advanced jobshop.  Our precision machining services are in accordance with the highest industrial standards and utilize our advanced equipment. Our expert machining staff consults with clients to get a feel for the part or component specifications they require. Our precision machining engineers monitor all projects every step of the way to ensure complete accuracy. Our expert CNC machining services supply highly controlled and tight tolerances. CNC Machines. The advantage of precision CNC machining services is being able to create large volumes of intricate parts with individual component accuracy. We continuously test our machines to ensure every product is given the highest precision and accuracy available. We sincerely provide high quality and favourite price, we are looking forward to establish the mutual beneficial and long-term relation with importers from all over the world

LONGJUN LIMITED has taken the industry lead in China in CNC (Computer Numerical Control) milling . Our jobshop productions meet any advanced specifications, and our milling manufacturing equipment is top of the line. Our CNC milling specialists are experienced and dedicated to producing the highest quality milled components. CNC milling is among the most common forms of precision CNC machining. CNC milling is a cutting process in which material on a block is milled by a computer-controlled tool which moves and rotates around the product as it is shaped. CNC milling is a common process that creates precise machined parts and components quickly and accurately. We operate using a variety of cutting tools which ensures exact specified shapes and dimensions for every component machined. Our milling & machining equipment is available in a variety of sizes up to 1000MM in length and 300MM in width for your precision CNC machining and CNC milling needs. We use different equipment to complete different projects. We use various axis machines determinant upon the flexibility and tolerance of the desired components including machining and milling of plastic parts.  Our CNC milling capabilities produce effective solutions for a wide variety of industrial & commercial needs; e.g. defense industry parts, automotive assemblies, dental machining, medical machining & more. With our CNC milling, you can be confident that quality productivity is our number one priority. We work with our clients to produce precision machined parts and components in the most efficient manner. We accommodate your project requirements, with a quick turn-around, whether you need a long run or short run production of machined components. Additionally, we fabricate CNC milled parts depending upon your industry's unique specifications and requirements. Contact us to learn more about us. We provide a variety of material options, quality industry expertise and certified precision CNC machining capabilities.

Material: aluminum, brass, copper,steel, stainless steel, and titanium Shape:  bar, shafts, spindles, pins, tubes and rings Tolerance: +/-0.002mm-+/-0.01mm Finish: Polishing, electropolishing, anodizing, brushing, plating, painting, etc

We manufacture die cast aluminum heat sinks for your custom needs and for various products, including: electronic PC boards, LED lights, communication equipments, DC-DC converters, motor housings, laser components, audio amplifers, automotive equipments, etc. 

Benefits of Die casting heat sinks:  high production rate and low cost, tight tolerances, stable dimension, secondary machining not required, exceptionally flat surfaces, good corrosion resistance, etc. We manufacture die casting heat sinks for your custom needs. 

Compared with other manufacturing methods, die casting can realize complex 3D shapes heat sinks that are not possible in extrusion or forging. High production rate and low cost, tight tolerances, dimensionally stable, secondary machining not required, exceptionally flat surfaces, good corrosion resistance are all benifits of die casting heat sinks.

Die cast aluminum heat sinks are used to cool various electronic components and devices. Die cast heat sinks need less machining than extruded heat sinks or machined heat sinks. Die cast heat sinks can be used as raw parts without any finish, or they can be anodized or powder coated for improved surface protection and corrosion resistance.

We supply aluminum extrusion profiles and heat sinks for your custom needs. Available materials: 6000 series aluminum alloys, all tempers. Please send us your design, we can produce the highest quality aluminum extrusion parts at competitive prices. 

We custom complex shapes forging heat sinks like elliptical fins, stappered fins, round pin array fins. Forged heat sinks are often applied on high performance electronics, multi-chip modules, LED cooling and so on products. Forged heat sinks perform improved mechanical strength, better control of tolerance,improved surface finish,high production rate.

Magnesium is a lightweight structural material with greater stability and better mechanical properties. magnesium alloys have become a great asset to the die casting industry

We provide custom metal stamping parts with low tooling cost in short delivery time. Available material covers aluminum, stainless steel, carbon steel, etc.