20 years of R&D and production experience of plastic extruder machines.


Qingdao Lonchangjie Machine Co.,Ltd.Which have more than 20 years' experience of design and manufacture all kings of plastic extrusion lines, we have got CE, SGS, BV, IOS9001, etc.also can be provided according to client's customized requirement.

Multi-Layer Pipe Plastic Extruder Machine HDPE SJ-120
Multi-Layer Pipe Plastic Extruder Machine HDPE SJ-120Performance and advantages: According to the special needs of users, we can provide 2-layer/3-layer/5-layer and multi-layer solid-wall plastic pipe production lines. Multiple extrusion plastic extruders can be unified and synchronized speed adjustment, and multiple meter weight control system can be selected , It is controlled by the main control console PLC to realize the quantitative extrusion of each extruder; The multi-layer spiral mold designed according to different layers and the thickness ratio of each layer.The reasonable distribution of mould cavity runners to ensure uniform layer thickness of the pipe and plasticizing better effect of the layer.
800mm Large Diameter HDPE/MDPE Water Supply and Gas Supply Pipe Extrusion Machine
Performance and advantages: The HDPE/MDPE water supply pipe and gas pipe production line independently developed by Changjie Company has a unique structure, high degree of automation, convenient operation, stable and reliable continuous production. The pipeline produced by this production line has moderate rigidity, strength, good flexibility, creep resistance, environmental stress crack resistance and good thermal welding performance. It has become the first choice for urban gas pipelines and outdoor water supply pipes.
Professional Plastic Pipe Making Machine manufacturers
Advantages of PVC pipes:1. Excellent in chemical corrosion, no rust;2. With self extinguishing and flame retardant;3. Excellent in anti aging, can be used 20years to 50 years between the temperature from subzero 15 to 60 degrees Celsius;4. Wall is smooth, inner wall surface tension, it is difficult to form scale, the fluid transport capacity of 43.7% higher than the cast iron pipe;5. The weight is light, easy to flaring, bonding, bending, welding, pipe installation workload is only 1 / 2 to the steel pipes, low labor intensity, short duration;6. Good electrical properties of resistance, volume resistance of 1 to 3 x 105Ω.cm, breakdown voltage 23 to 2kv/mm;7. The toughness of PVC pipe is low, linear expansion coefficient is high, operating temperature range is narrow.
PP PE PVC WPC Profile Production Line Extrusion Machine
PP PE PVC WPC Profile Production Line include plastic extruder, mould, vacuum shaping table, haul off machine, cutting machine and bracket.Customer can change different mould to make different shape wood and plastic profile production to meet different use.
Professional Soft and hard PVC co-extrusion plastic machine manufacturers
Professional Soft and hard PVC co-extrusion plastic machine manufacturers.The product features the desired durability. Made of very sturdy materials, its inner circuit board can stand up harsh weather, shocks, vibrations, and abrasion.
HDPE Hollowness Grid Board Extrusion Production Line
HDPE Hollowness Grid Board Extrusion Production LineThis production line realizes continuous production of PC/PE/PP hollow grid plate, which is applicable to construction decoration, advertisement collocation, and noise insulation of highway as well as packaging. PE/PP hollow grid plate is an ideal substitute of paper box in making packaging box. It is characterized by light weight, high intensity, damp-proof, waterproof, and anticorrosion. The width of the products is 800-3000mm, and the thickness is 2mm-12mm.1. Extruder: The specially designed screw and the advanced controlling system ensure excellent plasticization, high output and stable extruding.2. Screen changer: Quick screen changer of hydraulic system ensures the short course of screen changing.3. Mould: Mould adopts high-quality alloy steel and throttling device to guarantee even thickness of the plate.4. Vacuum calibrating table: Heating exchanging and cooling system of quick speed in calibrating system alternate effectively and ordinarily with vacuum system, which ensures calibrating precision.5. Tractor: There are two tractors. The first one is of high power, high reduction ratio, multi-roller type, well low-speed operation, and in addition it is equipped with edge-cutting device to ensure the valid width and smooth cut of the edges.6. Stress remover: The advanced large area conductive heating mode can effectively remove the stress of plate and further improve planeness of the plate.7. Cutting machine: Accurate instant length-fixed cutting and automatic up-down discharging system combined with alloy steel sharp blade realize high quality of cutting.
PP-H/PP large-diameter soild wall winding tank production line
The tank winding welding is to use PPH spiral extrusion winding machine to make PPH particles processed into the tank forming process. In the system, PPH particles are hot melted and extruded, and then wind into tanks on the molding mold.
High Quality PVC WPC Pelletizing line/Plastic granulator machine Wholesale - 青岛隆昌捷机械有限公司
High Quality PVC WPC Pelletizing line/Plastic granulator machine Wholesale - 青岛隆昌捷机械有限公司. is manufactured in a dust-free casting and molding workshop with high-technology advanced 3D modeling equipment, to improve its productivity and mold precision.
HDPE Large-Diameter Hollow Wall Winding Pipe Production Line
HDPE twin-wall helix pipe extrusion lineHDPE large diameter draining pollution pipe lineLarge diameter winding tube unitProjects conduit equipmentHollow wall HDPE winding pipe machine HDPE large diameter hollow wall winding pipes have been recognized as a substitute for cement pipes and cast iron pipes since it possesses many particular advantages. HDPE large diameter hollow pipes have big market potentiality. The line adopts two sets of single-screw extruders to ensure high speed and quality extruding; Unique design of composite die-head and forming by spiral rotation ensure high efficiency and quality; Advanced PLC Control system makes operation very convenient and operation very efficient; Special pipe fittings are adopted and connection is very convenient.Large-diameter hollowness winding pipe production lineThe Qingdao changjie machine Co.Ltd produce the large-diameter winding pipe production line for the fourth generation of product, the outlook design was already artistic, the automaticity is high, the operation is simple, the production pipe speed is quickest for the same profession. This product hits the product for the changjie Company hosts, its sales volume for this local same profession first. The present company produces the double wall winding pipe production line, only need replace the partial molds then to produce the single wall winding pipe, may save raw material to reach 40%, is suitable in the different use special demand, has made the enormous contribution for the energy conservation environmental protection!•The HDPE large –diameter hollowness winding pipe, is the country “15” the key science and technology research project. Our company through the introduction digestion overseas advance technology, has developed successfully the HDPE large –diameter hollowness winding pipe production line and puts in the market, may produce tubing caliber 200-3000mm the large pipe. This pipe is the substitution steel pipe, cement pipe's ideal draining water pollution discharge product.•The HDPE large –diameter hollowness winding pipe non-toxic, tasteless, the corrosion preventing, the anti-aging, Weather fastness is  good (-70~C to +80~C) to be possible in underground and the surface use. Widely applies in agricultural, the industry water distribution project.•This production line equipment operation is keen, the output is high, the product size is stable, the complete set production line provides the craft formula and “hands over the key” the project. 
PPR Glass Fiber Reinforced Water Pipe Extrusion Line
PPR GF Pipe Production LinePPR Glass fiber Reinforced Pipe Extruding LinePPR Glass Fiber Reinforced Pipe Extruder MachinePPR Glass Fiber Pipe Extruding MachineThree-layer PPR Pipe Extrusion Production LineThree-layer PPR Pipe Extruder Extruding Machine
PE/PP/PA  single wall corrugation pipe production line
SJ series plastic single-wall corrugated pipe production line developed by our company adopts gears to run modules and templates. The products have water circulating cooling and air cooling system, which ensures high-speed molding, even corrugation, smooth inner and outer pipe wall.

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