杭

杭州信华精机有限公司 Tech Stack

Precision optical and SMT manufacturing with quality-control focus

Semiconductor Manufacturing 杭州市, 浙江省 ~12 employees

Hzshinwa is a 12-person semiconductor/optical precision-manufacturing firm in Hangzhou running a CAD-heavy stack (Siemens, AutoCAD, SOLIDWORKS, Zemax) paired with quality and production-control tools (Minitab, SPC, MSA, MES). The project list—NPI workflows, ESD test management, optical lens design, AOI detection—and pain-point clustering around defect reduction and assembly-line efficiency reveal a company optimizing manufacturing yield and process control, not chasing volume.

Tech Stack 21 technologies

Core StackSiemens AutoCAD SAP SOLIDWORKS Bluetooth WiFi Minitab IATF 16949 8D Zemax BMS CAD MSA SPC DSP CAN I2C RS485 RS-232 MES Huawei

What 杭州信华精机有限公司 Is Building

◆Challenges

Quality and efficiency improvement
Risk identification before mass production
Line balance improvement
Optimizing production processes
Reducing production loss
Assembly line efficiency improvement
Defect reduction in assembly and packaging
Reducing defect rates
Reducing false positives
Improving aoi detection accuracy

▲Active Projects

Smt tooling design and verification
New product introduction risk control
Esd project work
On-site esd test project management
Npi new product trial production
Assembly and packaging guide documentation
Preliminary research optical design feasibility assessment
Optical lens product design
Market intelligence and channel strategy
Product development feedback loop

Hiring Activity

Minimal20 roles · 0 in 30d

Department

Engineering

14

Manufacturing

4

Sales

4

Seniority

Mid

16

Senior

3

Junior

2

Manager

1

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About 杭州信华精机有限公司

Hzshinwa manufactures precision optical components and SMT assemblies for semiconductor and industrial customers, operating from Hangzhou. The engineering-dominant headcount (14 of 22 staff) and active project slate across optical design, new-product introduction, and ESD compliance indicate a job-shop or low-to-mid volume operation focused on custom or semi-custom products. Quality frameworks (IATF 16949, 8D, MSA, SPC) are embedded in workflow. Current friction centers on defect rates, line balancing, and early risk capture during NPI phases.

Headquarters杭州市, 浙江省

Company Size~12 employees

Hiring MarketsChina

Frequently Asked Questions

What manufacturing software does Hzshinwa use?

Siemens, AutoCAD, and SOLIDWORKS for design; SAP for ERP; MES for production scheduling; Minitab, SPC, and MSA for quality analysis; Zemax for optical simulation.

What is Hzshinwa working on?

Optical lens product design, SMT tooling verification, new-product-introduction workflows, ESD test management, and AOI detection accuracy—with focus on defect reduction and assembly-line efficiency.