Comapny Tpye: Manufacturer (OEM)
Main products: Diesel generators, Generator components, Plastic injection-molded parts
Report Creation Date: 2026-09-05
Longwin Power Technology Company Limited (Công Ty TNHH Công Nghệ Điện Longwin) is a Vietnam-based, wholly foreign-invested manufacturing enterprise incorporated in September 2019 and headquartered in My Hao Town, Hung Yen Province. It operates primarily as an OEM manufacturer specializing in assembly and production of power generation equipment and plastic injection molding components. The company’s supply chain is highly concentrated — over 90% of its procurement originates from China, with Loncin Motor Co., Ltd. accounting for 87.4% of total transaction count. Its operational scale expanded significantly in 2025–2026, evidenced by monthly transaction volumes consistently exceeding 10 million units since mid-2025.
| Field | Value |
|---|---|
| Company Name | Công Ty TNHH Công Nghệ Điện Longwin (Longwin Power Technology Company Limited) |
| Data Source | Vietnam National Business Registry, EMIS, Infodoanhnghiep.com, Masothue.com |
| Country of Registration | Vietnam |
| Address | Lot L6, Pho Noi B Textile & Garment Industrial Zone, Di Su Ward, My Hao Town, Hung Yen Province, Vietnam |
| Core Products | Diesel generators, generator components, plastic injection-molded parts, fasteners, insulating tapes, metal stampings |
| Company Type | Manufacturer (OEM) |
Data解读: Transaction volume surged dramatically starting Q3 2025 — average monthly volume jumped from ~8 million units (pre-July 2025) to over 16 million units (July–December 2025), peaking at 20.8 million in July 2025. This reflects rapid capacity ramp-up or new contract fulfillment, likely tied to Loncin’s expanding production footprint in ASEAN. The consistency in high-frequency transactions (>12,000/month) confirms stable, high-volume operational maturity. This trend signals strong production scaling — but also exposes dependency risk on single-customer demand cycles.
| Rank | Year-Month | Transaction Volume | Transaction Count |
|---|---|---|---|
| 1 | 2025-07 | 20,825,700 | 20,890 |
| 2 | 2025-06 | 17,448,300 | 19,263 |
| 3 | 2025-04 | 18,576,100 | 18,028 |
| 4 | 2025-09 | 17,334,000 | 16,441 |
| 5 | 2025-08 | 14,910,400 | 12,165 |
| 6 | 2025-03 | 13,854,400 | 15,904 |
| 7 | 2025-02 | 12,811,800 | 13,244 |
| 8 | 2025-05 | 15,468,900 | 15,649 |
| 9 | 2025-12 | 11,029,200 | 12,360 |
| 10 | 2025-11 | 11,445,700 | 13,113 |
Data解读: The buyer network is overwhelmingly dominated by Loncin Motor Co., Ltd. (87.4% of all transactions), with secondary Vietnamese suppliers collectively contributing only ~9% — indicating Longwin functions as a dedicated tier-2 assembler for Loncin’s global supply chain. Notably, two new Chinese partners emerged in 2026 (Loncin General Power Equipment Co., Ltd. and CYGY Technology Vietnam), suggesting strategic diversification or subcontracting expansion under the Loncin ecosystem. This extreme concentration implies high revenue reliability — yet minimal pricing leverage or negotiation autonomy.
| Rank | Trade Partner | Country | Transaction Count | % of Total | Latest Transaction |
|---|---|---|---|---|---|
| 1 | Loncin Motor Co., Ltd. | China | 200,298 | 87.36% | 2026-05-09 |
| 2 | Cong Ty TNHH Cong Nghiep Hoa Thai | Vietnam | 6,337 | 2.76% | 2026-05-27 |
| 3 | Cong Ty TNHH Che Tao Co Khi Chung Cin | Vietnam | 5,915 | 2.58% | 2026-05-20 |
| 4 | Loncin General Power Equipment Co., Ltd. | China | 4,500 | 1.96% | 2026-05-30 |
| 5 | Cong Ty TNHH Cong Nghe Bao Bi Chuanghang Vietnam | Vietnam | 3,545 | 1.55% | 2026-04-28 |
| 6 | Cong Ty TNHH Cong Nghe Dien Solid Vietnam | Vietnam | 2,673 | 1.17% | 2026-05-30 |
| 7 | Chongqing Si Tuo Industrial Development Co., Ltd. | China | 964 | 0.42% | 2026-04-21 |
| 8 | Cong Ty TNHH Thuong Mai Quoc Te Tan Thinh Phat | Vietnam | 736 | 0.32% | 2026-04-29 |
| 9 | Kingtai Trading Chong Qing Ltd. | China | 678 | 0.30% | 2026-04-21 |
| 10 | Cong Ty TNHH Dien Tu Yuxin Pingrui Vietnam | Vietnam | 489 | 0.21% | 2026-04-21 |
Data解读: HS codes cluster tightly around mechanical fasteners (73181510, 73181610, 73182200), plastic packaging/insulation (39199099, 39269099, 39232990), and generator-related metal parts (73269099, 84079010). This confirms Longwin’s role as a precision component assembler — not a full-system OEM. Over 40% of transactions involve fasteners and insulating tapes alone, highlighting high-volume, low-margin supporting production. This product mix underscores cost-driven, high-turnover manufacturing — with limited IP or branding upside.
| Rank | HS Code | Description (WTO Harmonized System) | Transaction Count | % of Total | Latest Transaction |
|---|---|---|---|---|---|
| 1 | 73181510 | Threaded fasteners of iron/steel (e.g., bolts, screws) | 29,864 | 13.02% | 2026-05-30 |
| 2 | 39199099 | Self-adhesive plastic tapes (e.g., insulating tape) | 23,057 | 10.05% | 2026-04-28 |
| 3 | 73269099 | Other articles of iron/steel (e.g., brackets, housings) | 20,508 | 8.94% | 2026-05-30 |
| 4 | 39269099 | Other plastic articles (e.g., covers, insulators) | 13,536 | 5.90% | 2026-04-28 |
| 5 | 73181610 | Nuts of iron/steel | 11,965 | 5.22% | 2026-05-30 |
| 6 | 49119990 | Printed labels and similar printed matter | 9,499 | 4.14% | 2026-05-05 |
| 7 | 73182200 | Washers of iron/steel | 9,235 | 4.03% | 2026-05-30 |
| 8 | 40169390 | Rubber seals/gaskets | 9,014 | 3.93% | 2026-04-28 |
| 9 | 39232990 | Plastic containers (e.g., caps, lids) | 7,698 | 3.36% | 2026-04-28 |
| 10 | 48211090 | Labels of paper/paperboard | 6,758 | 2.95% | 2026-04-28 |
Data解读: China accounts for 90.9% of all procurement activity — a near-total reliance that aligns with both HS code profiles (fasteners, rubber, plastics) and trade partner data (Loncin, Chongqing firms). Vietnam contributes just 9.0%, mostly local support suppliers. All other regions — Korea, US, Singapore — are marginal (<0.1%), confirming no meaningful export diversification or regional sourcing strategy beyond the Loncin-China-Vietnam triangle. This geographic monoculture delivers efficiency — but zero resilience against China export controls or tariff shifts.
| Rank | Region | Transaction Count | % of Total | Latest Transaction |
|---|---|---|---|---|
| 1 | China | 208,445 | 90.90% | 2026-05-30 |
| 2 | Vietnam | 20,684 | 9.02% | 2026-05-30 |
| 3 | Korea | 132 | 0.06% | 2026-03-30 |
| 4 | Other | 48 | 0.02% | 2026-04-17 |
| 5 | United States | 6 | 0.00% | 2025-12-10 |
| 6 | Singapore | 3 | 0.00% | 2026-02-24 |
Data解读: All top ports listed show "Lost" status with last activity dated December 2024 — indicating this dataset reflects import (procurement) activity, not export logistics. The dominance of Chongqing (91.8%) as a port-of-origin further corroborates upstream sourcing from inland China manufacturing hubs, consistent with Loncin’s Chongqing headquarters and supply base. This confirms Longwin is purely a receiving node — not an export-capable entity in current operations.
| Rank | Port | Transaction Count | % of Total | Latest Transaction | Status |
|---|---|---|---|---|---|
| 1 | Chongqing | 41,223 | 91.82% | 2024-12-31 | Lost |
| 2 | CTY TNHH Che Tao Co Khi Chung Cin | 1,316 | 2.93% | 2024-12-30 | Lost |
| 3 | Cong Ty TNHH Cong Nghiep Hoa Thai | 1,017 | 2.27% | 2024-12-27 | Lost |
| 4 | CTY TNHH Cong Nghe Dien Solid VN | 551 | 1.23% | 2024-12-28 | Lost |
| 5 | CTY TNHH CN Bao Bi Chuanghang VN | 312 | 0.69% | 2024-12-30 | Lost |
| 6 | CTY TNHH TMQT Tan Thinh Phat | 113 | 0.25% | 2024-12-27 | Lost |
| 7 | Cong Ty TNHH Dien Khi V V | 92 | 0.20% | 2024-12-26 | Lost |
| 8 | CTY TNHH Dien Tu Yuxin Pingrui (VN) | 64 | 0.14% | 2024-12-27 | Lost |
| 9 | Cong Ty TNHH Dien Khi Jili Vietnam | 59 | 0.13% | 2024-12-28 | Lost |
| 10 | Incheon Intl Apt/Seo | 22 | 0.05% | 2024-12-30 | Lost |
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