Manufacturing
YSM Manufacturing Site & Quality Review
YSM manufactures ANSI/ASME B73.1 process pumps and replacement parts at its own 3,000 m² site in Zhuangzhuang Industrial Park, Boshan District, Zibo City, Shandong. The Zibo manufacturing site has been in operation since 2010. Jinan Yingsiman Machinery Co., Ltd was registered in Jinan in June 2018 (Unified Social Credit Code 91370102MA3LY5RB2U).
Manufacturing Site
Facility
- 3,000 m² production site, owned by YSM (in operation since 2010)
- In-house castings and forgings — no outsourced foundry work
- In-house machining from conventional lathes to gantry machining centers
- Office: Room 6-A10, Building F, Golden Times Square, No. 9999 Jingshi Road, Lixia District, Jinan
Team
- 35 employees in total
- Manufacturing 22 · R&D engineering 5 · Quality assurance 3
- Service & aftermarket 2 · Sales managers 3
- Training, supervised installation, commissioning, warranty repair, retrofit and reverse engineering by own staff
Key Production Equipment
| Equipment | Model | Qty |
|---|---|---|
| Gantry machining center | GNU28X30 | 1 |
| Double-column vertical lathe | CK5225BX20/12C-NC | 1 |
| CNC horizontal boring & milling machine | TKP6511B / T-PX6111B | 2 |
| Horizontal machining center | NHM8005 | 1 |
| Vertical machining centers | VMC1000II / ELV1060Z | 2 |
| CNC vertical lathe | V6i | 1 |
| CNC lathes | CAK80135, CK61125×2000 (×2), CK6180×1500 (×2), CAK5085 (×4), SK-509/1000, CK61125 | 11 |
| CNC turning & milling machining center | — | 1 |
| Radial drilling machines | Z3050 | 2 |
| Dynamic balancing machines | — | 2 |
| Coordinate measuring machine (CMM) | Tornado NCA10158 | 1 |
| Conventional lathes | — | 3 |
Quality Assurance
In-house inspection
- Documented inspection reports with tracking records for every order
- Dynamic balancing of all impellers
- Pressure testing of all casings and fit testing of assembled parts
- Visual inspection and liquid penetrant testing (PT)
- CMM dimensional verification
Third-party services
- Magnetic particle testing (MT) and ultrasonic testing (UT) through qualified third-party laboratories
- Performance testing in YSM’s own factory: 3 test benches, motor drive, water medium, capacities to 9,000 m³/h, pressures to 6 bar, drivers to 250 kW
- Witness testing can be arranged on request
Key bought-out components use SKF or equivalent bearings, John Crane or equivalent mechanical seals and WEG or equivalent motors.
Export Experience
YSM has supplied B73.1 pump parts to vendors serving worldwide markets for over a decade; main customers include PumpWorks and Summit Pump. Small parts are packed in cartons inside non-fumigation wooden export cases.
PumpWorks and Summit Pump are trademarks of their respective owners; references describe supply history and do not imply endorsement.
Factory Photos









Audit or Visit YSM
Vendor audit documentation is available for qualified buyers, and factory visits or witness tests can be arranged.