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PRO ENGINEERS+SERVICES TEAM

PRO ENGINEERS+SERVICES TEAM

20+ service team consisting of experienced engineers and well-trained sales Engineer. Quote in 24 hours

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QUALITY ASSURANCE & CONTROL

QUALITY ASSURANCE & CONTROL

100% inspection before delivery, 99.5% Qualification Target, Full monitoring all the time.CMM detector and 2.5 dimensional testing equipment

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R&D AND MANUFACTURING SOLUTIONS

R&D AND MANUFACTURING SOLUTIONS

1000+ Case have been done; Efficiency manufacturing solutions will be provided by our 10+ year experienced R&D team.

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Think different &

Make Creative Things

PTJ uses it's China manufacturers as China's most significant manufacturing network for on-demand manufacturing, EDM Machining,precision CNC machining services, sheet metal fabrication. Whether you need a prototype in one day or 1000 units at the right price, the PTJ network of EDM machine shops in China can deliver your project.

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950 SUCCESSFUL PROJECTS
We have been cooperating with 5000 companies with thousand of products
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    PTJ RFQ

    What Is PTJ?
    PTJ adopts flexible manufacturing methods to help our customers to control the product cost but best quality guranteed. Some frequently used machining processes include CNC milling, CNC turning, precision grinding, EDM machining, laser cutting, welding, CNC punching, sheet metal stamping, profile extrusion, die casting, forging, and more. Most of the custom precision cnc machining china parts and plastic machining components we made are related to automation machines, robotics, medical devices, fiber optics, aerospace/aircraft, test and measurement, sensors, telecom components, scientific devices, audio equipments, bicycles, boats, camera, cars, drones, electronic enclosures, front panels, furniture and architecture hardware, lighting, motorcycles, scooters, utv, jeeps, trucks, sports equipments, machinery, music instruments, and so on.
    For Surface Finishes
    Thanks to our mature supplier management and continuously experience accumulation. Now we have very stable surface finish suppliers to assist us to do different surface finishes with stable and excellent quality. Some Frequently used surface finishes are Anodizing, Oxide, Nickel Plating, Chrome Plating, Gold / Silver Plating, Powder Coating, Zinc Plating, PVD Coating, Passivation, Heat Treatment, Electrochemical machining, Brushing, Polishing, Sandblasting, etc.
    General Tolerance of Equipments
    1. CNC Milling tolerance: +/-0.01mm
    2. CNC turning tolerance: +/-0.01mm
    3. Precision grinding tolerance: +/-0.005mm
    4. EDM machining tolerance: +/-0.005mm
    How to Control Quality?
    1. Inspection by machinist himself who is responsible for a specific part machining.
    2. First article part inspection by QA.
    3. IPQC patrol inspection during production.
    4. PQC inspection before shipping according to ISO9001 sampling inspection standard for large quantity production. And for small quantity, 100% full inspection.
    5. Material Certificates and outgoing inspection reports could be provided.
    Our CNC machine and swiss machining shop sets full and advanced inspection instruments such as CMM, projector, height instrument, industrial microscope, micrometer, calipers, thread gauges, pin gauges, block gauges, etc. so as to inspect all details on drawings and confirm quality is good and issue the ourgoing reports accordingly.
    How to Start Working with Our Company?
    1) Sending detailed RFQ with 2D and 3D drawings to through email to info@pintejin.com. General drawing formats like PDF/ STEP/IGES/X_T etc are accepted.
    2) We check and confirm about materials, surface finish and quantiy, and evaluate. If any question, our sales engineer would double check with customers until everything is clear. We will quote accordingly if we are ok to make the parts with best quality. If no question and everything is clear, we send quotation with best prices within 24 hours. Our sales engineer team is online for 7/24 for offering customers the best cnc machining services.
    3) We recommend to start from few pcs prototypes for approval at the beginning. If nothing wrong after customer’s test and approval, then we proceed to volume cnc manufacturing.
    Some Tips for Customers
    a. We accept Paypal payment of small amount payment for samples or small batch orders for building mutual trust at the beginning. General payment terms is 30% by wire transfer, and balance before shipping.
    b. Delivery time for few pcs samples are generally 5 to 7 days, and 15 to 25 days for volume production. If the order quantity was too big, we would check and confirm delivery time sepertely.
    c. Our company has concrete promise to all customers that if any quality problem caused by our factory, we would remake all parts for free or send money back.
    Safe Packing Methods to Prevent Goods from Damage during Transportation
    Due to long distance transportation to overseas countries, safe and strong packing is very important to gurantee the parts to be in good conditions when arriving at customer’s hand. We choose different packing materials according to different parts and quantity. Some commonly used packing materials are pp/bubble bag, oil paper, foam, blister tray, 5 layer carton, wood box, etc. See below some packing pictures.