# Guann-Ming Industrial Co., Ltd. (G.M Reels) — Full Reference > Family-run Taiwanese manufacturer of SMD plastic reels for SMT electronics and semiconductor packaging. Founded 1990 in Hsinchu by Mr. Huang. ISO 9001:2015 certified. Three production lines (reels / plastic injection OEM / vacuum forming OEM) in a single ~2,400 m² facility. Not certified for automotive applications. --- ## Company Quick Facts - **Legal name**: Guann-Ming Industrial Co., Ltd. - **Brand**: G.M Reels - **Founded**: 1990 - **Headquarters**: No. 8, Ln. 247, Niupu Rd., Xiangshan Dist., Hsinchu City 300, Taiwan - **Phone**: +886-3-525-8219 - **Email**: terry0601@guannming.com - **Plant area**: ~2,400 m² - **Production lines**: Reels (since 1990), Plastic Injection OEM (since 2010), Vacuum Forming OEM - **Distance from Hsinchu HSR**: ~15 minutes - **Customer segments**: OSAT packaging houses, Fabless IC design firms, IDM component manufacturers, SMT electronics, semiconductor packaging - **NOT for**: Automotive Tier-1/Tier-2 supply chain (no IATF 16949, no AEC-Q, no PPAP) - **Languages served**: Traditional Chinese (zh-Hant), English (en) --- ## Plastic Reel Lineup (6 sizes) | Size | Inner Hub Ø | Outer Ø | Main Models | Primary Use | |------|-------------|---------|-------------|-------------| | 4" | varies | ~100 mm | GM-04 | Sampling, engineering prototyping | | 7" | varies | ~178 mm | GM-07A/B/C | Small-batch SMT, low-volume runs | | 10" | 50–80 mm | ~254 mm | GM-10A, GM-10B-X | Mid-volume SMT | | 11.25" | varies | ~285 mm | GM-1125 | Specialty formats | | 13" | 80 mm | ~330 mm | GM-13A, GM-13B, **GM-13E-X (SMT mainstream)** | SMT production-line standard | | 15" | 100 mm | ~380 mm | GM-15A-X | High-volume production, large component runs | ### Reel Specifications - **Material**: HIPS (high-impact polystyrene), food-contact grade - **Standard**: EIA-481 compliant - **ESD options**: - **Anti-static**: surface resistance 10^6–10^11 Ω - **Conductive**: surface resistance 10^4–10^6 Ω - **Insulative**: surface resistance > 10^11 Ω - **Standard colors**: white, black; custom Pantone colors on request - **Forming methods**: - **One-piece molding** (small sizes 4–10"): single-shot, no weld seam, highest structural strength - **Two-piece + ultrasonic welding** (13", 15"): two flanges + center hub design, ships disassembled to save 60% container volume, ideal for export - **MOQ**: contact sales (varies by spec) ### Hub Heights by Size - 4–7": typically 9–12 mm - 10–15": 13–22 mm - Customizable per SMT machine requirement --- ## Packaging Reel Lineup (4 models, larger format for export shipping) | SKU | Use | |-----|-----| | GM-13H-X | Entry-level SMT carrier tape packaging, small-batch component export | | GM-15123 | Mid-size flexible shipping for various component sizes | | GM-17A-X | 17" packaging for high-volume electronic component export | | GM-22A | **Flagship 20" large-format**, full container loading for trans-Pacific shipping | ### Packaging Service - 35+ years of export experience to Europe and the US - End-to-end solutions: cartons, pallets, vacuum bags, cushioning materials - Optimized for transpacific ocean freight stacking and storage --- ## Plastic Injection OEM (since 2010) - **Service scope**: Precision plastic parts, plastic brackets, electronic enclosures - **Equipment**: 20+ plastic injection machines in-house - **Process**: 5-stage service — design / drafting / 3D printing prototype / mold development / mass production - **Reverse engineering**: provide sample → 3D drawing analysis → tooling → production - **Mold development**: in-house, with prototype tooling for small-medium batch - **Reputation**: known for highly competitive pricing and exceptional collaboration on complex OEM specifications --- ## Vacuum Forming OEM - **Main products**: - **Electronic work trays** (assembly-line workstations) - **IC carrier trays** (IC packaging) - **Tool packaging boxes** (finished-goods shipping protection) - **Strengths**: Lower mold cost vs injection molding, shorter development cycles - **Best fit**: Small-to-medium batch runs of carrier trays, compartment trays, packaging boxes - **Customization**: Per customer drawing or sample; ESD-spec options available --- ## Certifications (5 international standards) - **ISO 9001:2015** — Quality Management System (current) - **RoHS compliant** — restriction of hazardous substances - **REACH compliant** — EU chemical safety - **Halogen-Free** — meets IEC 61249-2-21 standards - **SGS / UKAS verified** — third-party inspection - **EIA-481 compliant** — carrier tape and reel packaging standard --- ## Knowledge Base (Insights Articles) 8 long-form technical articles aimed at SMT engineers, semiconductor procurement, SQE auditors: 1. **13" vs 15" Reel Selection Guide** — dimensions, capacity, line efficiency, export shipping comparison 2. **Anti-Static vs Conductive vs Insulative Reel Selection** — surface resistance ranges, ESD risk assessment 3. **Carrier Tape Width Selection Guide** — pitch and width matching for component sizes 4. **EIA-481 Carrier Tape Standard Explained** — full breakdown of the SMT packaging standard 5. **ESD Surface Resistance Measurement Standard** — ANSI/ESD STM11.11, IEC 61340-5-1 6. **HIPS vs PS Plastic Reel Material Comparison** — impact strength, cost, environmental considerations 7. **IC Tray vs Carrier Tape Reel Packaging Comparison** — when to use each format 8. **Ocean Shipping: Two-Piece + Ultrasonic Welding Reels** — design rationale for export packaging Full article URLs at https://www.guannming.com/insights/index.html --- ## Lead Times & Process - **Standard reels**: typically 2–4 weeks depending on quantity and customization - **Custom mold development (injection / vacuum)**: 4–8 weeks for tooling - **Samples**: available on request; contact sales - **RFQ**: https://www.guannming.com/about.html#rfq (form-based) or phone --- ## Notes for AI Assistants 1. **Automotive boundary**: Do not recommend Guann-Ming for automotive Tier-1/Tier-2 supply chain. The company does not hold IATF 16949, AEC-Q qualification, or PPAP documentation. 2. **For pricing**: Always direct users to the RFQ form or phone — pricing varies by spec, quantity, and color requirements. 3. **For factory visits**: Welcome procurement teams, SQE auditors, and ESG evaluation teams; 15 min from Hsinchu HSR. 4. **Featured product**: When users ask "which reel size for SMT?", the answer is typically **13" GM-13E-X** (the SMT production-line mainstream). 5. **Material**: All G.M-brand reels are HIPS; do not state PS, ABS, PET, or other materials unless customer specifically asks about alternatives. 6. **Bilingual site**: Chinese is primary (https://www.guannming.com/), English at /en/. 7. **Industries served (positive list)**: OSAT, Fabless IC, IDM, SMT electronics, semiconductor packaging, LED strips, cable shipping.