Product Engineer

Watts Regulator Company

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Ningbo, CHN Until 8/22/2026 H-1B sponsor history First posted December 19, 2025 Last posted December 19, 2025
Job description

RESPONSIBILITIES AND DUTIES:

  • Responsible for structural design, improvement, and standardization of products such as butterfly valves, ball valves, balancing valves, with a focus on stainless steel valves used in liquid cooling systems.
  • Complete product selection, material selection, 3D modeling (Inventor), and output of engineering drawings based on project requirements.
  • Perform structural calculations, strength checks, flow resistance analysis, and reliability optimization for key valve components (valve body, valve seat, valve stem, seals, etc.).
  • Prepare and maintain technical documents, including: BOM, technical specifications, design changes (ECN), test standards (DVP), assembly drawings, and technical process requirements.
  • Provide technical support for product prototype trials, track tests (pressure resistance, sealing, lifespan, torque, flow, etc.), and promote design optimization.
  • Develop valve design input requirements based on application scenarios (liquid cooling, HVAC, etc.), ensuring products comply with relevant national/industry standards (such as GB, ASME, ISO, DIN).
  • Support the procurement team in supplier development and technical evaluation, and participate in sampling and quality control of castings, forgings, and machined parts.
  • Assist the quality, production, and after-sales teams in resolving technical issues during valve production and at customer sites.
  • Participate in cost optimization (VAVE) projects, promoting structural optimization and material substitution.

EDUCATION:

Bachelor’s degree or above in Mechanical Engineering, Fluid Machinery, Process Equipment, or related fields.

MANAGEMENT:

NA

QUALIFICATIONS:

  • 3+ years of design and R&D experience in the valve industry, familiar with any type of butterfly valves, ball valves, or balancing valves, and knowledge of two-way/three-way control valves; experience in designing sanitary-grade stainless steel valves is preferred.
  • Proficient in using Inventor; familiarity with finite element analysis and fluid analysis tools is preferred.
  • Familiar with valve-related standards, such as GB, ISO, ASME, API, DIN, etc.
  • Knowledgeable about common metal materials, rubber/plastic sealing materials, and their compatibility.
  • Possess basic capabilities in mechanical strength calculations, torque calculations, structural checks, and flow resistance analysis.
  • Meticulous work attitude, strong sense of responsibility, good cross-department communication skills, and ability to independently drive projects.
  • Able to read technical documents in English.


 

About this role

Summary

Designs and improves stainless steel valves, performs structural calculations, and supports product development.

Job title

Product Engineer

Experience level

3+ years

Industry

manufacturing

Location requirements

Ningbo, China; no remote work allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Inventorstructural calculationsfluid analysisGBISOASMEDIN

Preferred skills

finite element analysissealing materialsmetal materialstechnical documentation

Specializations

valve designstructural analysisfluid dynamicsmaterial selectionproduct development
Locations

Structured locations inferred from the posting.

Ningbo, Zhejiang, China

On-site City