Dongguan Hongbangyi Plastic Co., Ltd. is a professional manufacturer offering custom plastic injection molding, rapid prototyping, precision mold fabrication, and OEM/ODM plastic manufacturing services.
With over 15+ years of experience and a 3,000㎡ facility, we serve global industries including automotive, electronics, medical devices, rugged handheld devices, outdoor equipment, and consumer products.
Our goal is to provide high-quality plastic components with fast delivery, competitive pricing, and stable performance.
👉 https://customplasticproduct.com/
Google Docs #1 — Custom Plastic Injection Molding Services — Complete 2025 Engineering Guide
https://docs.google.com/document/d/1UEpEABrYohdpgTtqBJ-a4_VhgPnZkr-2T5ii8FQ8GRs/edit?tab=t.0#heading=h.e9e25zftn8c8
Google Docs #2 — Custom Plastic Parts Manufacturing — The 2025 Complete Engineering & Procurement Guide
https://docs.google.com/document/d/1k5OSrX_l7nXAEobOB0XV3HUabVL4ONrCBNXTzWD48d4/edit?tab=t.0#heading=h.vvz64fr7udez
Google Docs #3 — Custom Plastic Products – Hongbangyi Plastic (Brand Entity Master Document)
https://docs.google.com/document/d/1K-edgWCKPkzNSgwwAIzfE43jH3Ntpq31eRhF6qy2-dM/edit?tab=t.0#heading=h.uxoer1m6r3dm
Google Docs #4 — How to Choose a Plastic Injection Molding Factory — 2025 Buyer’s Guide
https://docs.google.com/document/d/1CB08rrPzOcqlJZkVaV2PEQBRuABoU5NYwftwbtkfRKg/edit?tab=t.0#heading=h.70kfgpi7mvtv
Google Docs #5 — Insert Injection Molding — Complete 2025 Industrial Engineering Guide
https://docs.google.com/document/d/1_Ub9OY8XDqt5YLV5ieHOJsKeoIeG82F2ANLf_T4Avxo/edit?tab=t.0#heading=h.p4th2z7bdyml
Google Docs #6 — Overmolding Injection Molding — 2025 Complete Engineering Guide
https://docs.google.com/document/d/1Kp1bWnvmyaefvI-WHCKsGSvblrfXn18BsXKkBNmflYw/edit?tab=t.0#heading=h.zasjb3k75yeg
Google Sheets — Authority Hub
https://docs.google.com/spreadsheets/d/1hJ_I4_-E8bWslUhw2ZzIcioVQAl6TSBqA3tjDf3s7vo/edit?gid=0#gid=0
Google Slides — Company Profile
https://docs.google.com/presentation/d/1PHO1T-YJCEpGIPog1i5e6QJIU0SinRdJ/edit?slide=id.p1#slide=id.p1
Google Maps Location
https://www.google.com/maps/d/u/1/viewer?mid=16b7tqnFgfncwdObUk-82ZdpqCce13wY&ll=23.092347200000003%2C113.916371&z=17
15+ years of plastic manufacturing expertise
Advanced injection molding equipment
Strict quality control & engineering support
Stable lead times and global shipping