Plastic Injection Molding Contract Manufacturing Service

With in-house mold making and injection molding shop, we work from mold tool making to plastic product contract manufacturing, available for parts weight from 0.5~2.0 KG with peace of mind at product quality, cost, and dead-time

Comprehensive Plastic Injection Molding Capabilities

Plastic injection molding is the most common manufacturing process to obtain plastic products with large scale of volume. Inno manufacturing engaged in plastic injection molding contract manufacturing service since 2001. Over 20 years of experience, we accumulated skillful engineers, technicians, and operators that enabled us to provide customer high precision, consistent quality, and professional services. Here below are our capabilities:

  • Number of Injection Machines: 25 sets of machines from 80T~380T
  • Part Weight Capability: 0.5 g~ 2.0 KG.
  • Tolerance: +/-0.02~0.05 mm available
  • Full Capacity: 50,000~100,000 pcs per day
  • Industries worked: Automotive, medical and beauty, home appliance, industrial, outdoor and sports,
  • Plastic Resin worked: PC, ABS, PE, PP, PS, PMMA, PET, PVC, PA, POM, TPE, TPU, PPS, PPO, etc.
  • Lead-time: 1~3 Days for low volume, 4~7 days for medium volume, 10~15 days for high volume
  • Value-added Services: Product Development, DFM, Mold Flow, Prototyping, Assembly, etc.
  • Logistics Options: Air Shipping, Ocean Shipping, Train Shipping, etc.
plastic parts

Highly-precision Mold Making Experience


To cater to customer's one-stop mold making and injection molding services, We combined mold making shop and plastic injection molding facility together, it enables us to make new mold and modify old mold tool conveniently and quickly. Inno manufacturing has over 20 years of mold making experience in making diverse kinds of mold tools. We make high precision, durable, and cost effective mold tools based on customers' requirement.

Here below is our mold making specification:

  • First-class Mold Parts and Steel: Hasco, DME, HEB, STRACK, OPITZ,EMP, LKM, FUTABA, etc.
  • Long Mold Life: 500,000~150,000 shots
  • Lower Mold Cost: $1,000~$2,500 for single structure mold, $3,000~$5,000 for medium complexity molds, $5,000~8,000 for high complexity molds.
  • Shorter Lead-time : 15~20 days for single structure mold, 25~35 days for single structure mold, 35~45 days for high complexity molds.
  • Free Mold Modification and Maintenance: As long as clients leave the molds at our facility for production, we provide free mold maintenance if needed, as well as free mold maintenance service.



Our state-of-the-art plastic injection molding shop located in Shenzhen China provides cost-effective mold tooling and plastic injection molding services.

Starting from raw material sourcing, injection molding, until full assembled products, our on-site QC inspect and monitor the whole manufacturing process to ensure a high quality molded products to be made at us. We perform 100% of parts inspection with CMM, projector, and micrometer, our goal is to make zero defect rate for each orders.

  • Number of Workers: 55 people with two shifts.
  • Part Weight Capability: 0.5 g~ 2.0 KG.
  • Full Capacity: 50,000~100,000 pcs per day
  • Industries worked: Automotive, medical and beauty, home appliance, industrial, outdoor and sports,
  • Plastic Resin worked: PC, ABS, PE, PP, PS, PMMA, PET, PVC, PA, POM, TPE, TPU, PPS, PPO, etc.
  • Value-added Services: Product Development, Prototyping, Assembly, etc.

State-of-the-art Injection Molding Facility

Molding shop

Having a question on our plastic products contract manufacturing service?

How We Do Quality Control?

  • Work Instruction

    1. Work Instruction

    We set up work instruction for whatever in-housing manufacturing process or outsourcing to ensure our are always the right foot to customer's specification.

  • Golden Sample

    2. Golden Sample

    Golden sample with customer's signature will set aside of work station, so that our QC, technician, or operator can have standard reference.

  • Checklist

    3. Process Checklist

    Our project manager outlines all of critical checkpoints that used for process QC inspection. This process inspection is avoid defective parts to be produced.

  • Dimension Inspection

    4. Dimension Measurement

    All of critical dimensions must be measured every 30 minutes with AQL lot standard, and we also provide SPC data to clients for any mass production.

  • detective

    5. Apperance Check

    Our on-line QC(IPQC) check out parts appearance comprehensively to avoid any flash, sink mark, short shot, deformation, scratch, dirty, marks, and so on.

  • Function Test

    6. Function Test

    We assembled parts with whole unit to simulate product function that verify if our part structure or property function accordingly.

How We Work for Your Project?



Clients send us project information(stp file, parts material, parts color, and manufacturing volume) upon signing up NDA via email, Skype, or phone. We provide free quotation and project evaluation within 24 hours.


Place An Order

Based on quoted cost, timing, and other manufacturing terms, customers would confirm the order by issuing a PO and pre-payment. Normally we do 50%-50% of payment term for all of clients.



Our engineering team reviews and evaluates each project deeply with profound experience and knowledge. A comprehensive DFM report will be provided to customer for review.



Our production team plans, performs, and monitors customer order that takes over from marketing team. Ensuring each order would be completed on-schedule, high quality, and within budget.



Our QC team work throughout each project from start to shipping.  IPQC inspects and monitor when production starts to run. and FQC double-check the finished products based on AQL standard.



Our experienced logistics team schedules and arranges each shipment to be delivered to customer punctually, cost effectively, and safely.

PNG Logo-1

Inno Manufacturing, a high quality contract manufacturer in Shenzhen China. We specialize in one-stop custom contract manufacturing services from parts to finished products.

Our sophisticated team brings a vast experience for a variety of industries including medical & beauty, home appliance, consumer electronics, sports & outdoor, automotive, etc.

Our Certificates

The ISO Certificate

Contact Us

  • Email :

  • Phone :


  • Location :

    HengFeng Industrial Zone, Baoan, Shenzhen, China