Water Control
Waterway and valve systems
Flow-path design, thermostatic valve structures, flushing hydraulics, sealing, and durability validation for demanding bathroom applications.
WUGONG helps sanitary ware brands turn water-control, structural, and smart product ideas into production-ready systems in Xiamen.
WUGONG helps brands move complex bathroom product ideas from concept to prototype, validation, tooling, and production with one engineering-led partner.
Water Control
Flow-path design, thermostatic valve structures, flushing hydraulics, sealing, and durability validation for demanding bathroom applications.
Mechanical Design
From exploded assemblies to mold-ready parts, we design around manufacturability, assembly, maintenance, and product reliability.
Smart Integration
Firmware, sensor logic, sealed control modules, PCB design, SMT support, and integration with the mechanical water system.
WUGONG is an engineering partner for sanitary ware brands, based in Xiamen — one of the most established bathroom manufacturing clusters in China. Our team has carried bathroom products from early concept through mass production for brands such as TOTO, Kohler, Moen, and American Standard.
Working with WUGONG gives you a dedicated engineering team that covers water systems, mechanical structure, and embedded control — moving designs through tooling, validation, and volume production under one roof.
Our engineers previously led product development at established sanitary ware companies in Xiamen — one of the most concentrated bathroom manufacturing clusters in China.
“Working with WUGONG gives you a dedicated engineering team in Xiamen, covering the full stack from water systems to embedded control.”

Structure, water behavior, sealing, and assembly are checked before tooling.
Previously Led Projects For
WUGONG works with verified, certified factories in Xiamen — each focused on a key stage of sanitary ware production, so designs move smoothly from engineering to volume output.

Professional copper casting and precision machining facility with sand casting foundry and CNC production lines.
6,000㎡ Factory · National High-Tech Enterprise · IATF 16949 Certified



Modern electronics manufacturing with full WMS & MES systems, supporting diverse sanitary ware product lines.
Smart Mfg Level 3 Certified · WMS & MES Systems · R&D Department



Professional plastics factory with injection molding workshop and mold development capabilities, supporting bathroom product plastic parts manufacturing and final assembly.
Injection Molding Specialists · In-house Mold Development · Assembly Lines


WUGONG connects structure concept to volume delivery across tooling, molding, machining, PCB, assembly, and validation.
Precision injection for handles, covers, and functional parts.
Casting for faucet bodies, valve housings, and brass parts.
CNC machining for shafts, threads, and tight-tolerance parts.
Firmware, IoT integration, and smart control logic.
PCB design, SMT assembly, and production support.
Prototype tooling, precision molds, and production handoff.
Production-ready systems, plus selected pilot technologies under validation.
Industry-first silent tank with 4-second tornado flush · 8 Patents
Zero water pressure limit, auto flush, heated seat · Full production
Smart ceramic thermostat with IP68 rating · UK 2-year tested
Patented F10010 easy-clean drain with invention & design patents
Pilot drainage system for controlled discharge and easier maintenance
Built to recognized standards for global sanitary ware markets.
CE — European conformity
WaterSense — EPA efficiency
cUPC — Plumbing code
WRAS — UK water approval
EN 1111 — Thermostatic valves
ISO 9001 — Quality system
WaterMark — Australian plumbing
VA — European quality
SINTED — European testing
Patents across valves, flushing hydraulics, water-saving systems, and smart control.
Original product forms across faucets, showers, drains, and accessories.
Ready to start a partnership? We'd love to hear from you.
Xiamen, Fujian Province, China
sales@xm5e.com
Mon - Sat: 8:00 AM - 6:00 PM (CST)