Suppliers
This page is the starting point for everything related to our suppliers: who our primary supplier is per category, how we track them administratively, and the per-supplier notes that matter.
Primary suppliers by category
| Category | Company | Location | Type & quality | Contact strategy |
|---|---|---|---|---|
| Pistons (OEM) | Binzhou Bohai Piston Co., Ltd. | Binzhou (Shandong) | World class. Largest factory in China (OEM for Weichai/Cummins). Highest quality, but higher MOQ. | Ask for the "Construction Machinery Dept". |
| Pistons (Japanese) | Guangzhou Teikuko Auto Parts | Weifang (Shandong) | Specialist. Factory in Shandong, sales in GZ. Focus on Isuzu/Kubota/Mitsubishi. Delivered with pins and rings included. | Ask for "Alfin Gallery Piston". |
| Pistons (Agri) | Anhui White Rabbit Power | Anqing (Anhui) | Agri focus. Specialised in cylinder liners and pistons for agri/trucks. Very good price-quality. | Ask for a set with "Phosphated skirt". |
| Pistons (Premium) | Cheng Shing Piston (CS) | Taiwan/China | Taiwan Tech. Known for very precise tolerances. Best choice for high-performance rebuilds. | Look for an official distributor or direct export. |
| Pistons (4×4) | Fuzhou Refine Auto Fitting | Fuzhou (Fujian) | 4×4 specialist. Strong in Mitsubishi 4D56 and Toyota 1KD/2KD pistons. | Ask for "Oil-cooled channel pistons". |
| Gasket sets | Guangzhou Jiajia (Nicein) | Guangzhou | The source. The factory behind the 'Nicein' brand. | Ask for a PI with "Factory Stamp". |
| Starter motors (mix) | Cangzhou Xinli (Xuli) | Hejian (Hebei) | Heavy duty. Best for a mix of modern (Kubota) and old (Toyota forklift). | WhatsApp Glory Rong: +86-18732751063. |
| Starter motors (top) | Ruian Haodi Auto Parts | Rui'an (Wenzhou) | 0% warranty claims. Winds its own armatures from 100% copper. PSH quality. | Ask for proof of "Copper Armature". |
| Electrical parts | Ruian Runrun Auto Parts | Rui'an (Wenzhou) | One-stop. Combines starters with solenoids, regulators, and pumps. | Ask for the "Small Engine Catalog". |
| Clutches (Agri) | Yancheng Jiahang Auto Parts | Yancheng (Jiangsu) | The source. Likely the factory behind Meridian. Focus on tractors (MF/Kubota). | WhatsApp Daniel: +86-13851342965. |
| Clutches (Export) | Yancheng Terbon Auto Parts | Yancheng (Jiangsu) | Exporter. Alternative to Jiahang. Does a lot of export packaging. | Ask for "Heavy Duty Clutch Kits". |
| Cylinder heads | Wenzhou Sintai Machinery | Rui'an (Wenzhou) | Verified. Our current supplier is also the manufacturer. Solid mid-range. | Check for casting sand before assembly. |
| Injectors | Shandong Liaocheng Yitong Diesel Parts | Liaocheng (Shandong) | Preferred supplier for injectors. | — |
Noted separately, not in the table: Ruian Runrun for electrical material, and Guangzhou Juling (Jallin) Auto Parts / Harbin Dongan for cylinder heads.
Fixed choices per category
For the most-ordered product groups, the primary supplier is set (latest decision 16-12-2025):
- Starter motors — Ruian Runrun Auto Parts Co., Ltd.
- Clutch plates — Jinwei
- Injectors — Liaocheng Yitong Diesel Parts Co., Ltd.
How we administer suppliers
Our supplier database lives in Notion. For each supplier we record the following fields:
| Field | Notes |
|---|---|
| Name | Company name. |
| Status | Actief, Potentieel, or Non-actief. |
| Lead time | Standard bucket: 2-3 werkdagen, 4-5 werkdagen, 15-20 werkdagen, or 40-45 werkdagen. |
| Country | Country where the supplier is based. |
| Main contact email address. | |
| Website | Supplier URL. |
| Exact code | Link to our Exact accounting record. |
| Quick note | Short free-text note. |
| Documentation | Files (PIs, business license, etc.). |
| Warranty projects | Relation to the Warranty projects database (see Warranty projects). |
Special purchasing attention
Two SKUs are currently on a temporary alternative route:
- SKU-294 — via Oraker until the shipment from India arrives.
- SKU-20008 — via AIS until CRR delivers.