Quality You Can
Build On
Our ISO-certified quality system, utility model patents, and software copyrights are evidence of the engineering and manufacturing discipline behind every board we build.
Quality Systems
Quality management is integrated into our manufacturing processes, from incoming materials and production controls to final inspection and testing.
Incoming Materials
Quality starts before production — materials and components are verified against requirements as they enter the line.
In-Process Controls
Production controls keep process parameters, handling, and workmanship within specification at every stage.
Final Inspection & Testing
Inspection and testing confirm that the finished unit meets its specification before it ships.
Certifications & Compliance
Independent, third-party certifications and registered intellectual property that support customer confidence in our processes and products.
Quality Management System
Certified to ISO 9001:2015 for the scope of PCB assembly — a third-party verification that our quality management system is defined, implemented, and continuously improved.
- Certified companyZhongshan Huishine PCBA Co., Ltd.
- ScopePCB Assembly
- Certificate No.51824Q09327R0
- Valid period2024-04-18 – 2027-04-17
- AccreditationCNAS & IAF recognized
- Issued by Shenzhen Zhongbiao International Testing & Certification Co., Ltd.
Product Certifications & Standards Support
For end products, we design to international safety and compliance requirements and support certification throughout the project — from component selection to whole-product testing.
UL
UL-standard design for North American markets, with UL-certified key components selected for critical circuits.
CE
CE compliance for products sold into the European market, covering safety, health and environmental requirements.
FCC
FCC compliance for electronic products operating in the United States, including RF and digital emissions.
EMC
EMC design and testing support, controlling electromagnetic emissions and ensuring immunity across the product.
RoHS
RoHS-compliant material selection restricting hazardous substances, per target market and customer requirements.
IEC
IEC-standard design as an international baseline, adapted to regional certification requirements.
Utility Model Patents
Registered utility model patents covering the control circuits and systems behind electric fireplaces, heaters, cookers, fans, and home appliance control boards.
Electric Fireplace Control System
Control system for an electric fireplace and electric fireplace.
Electric Cooker Relay Protection Circuit
Relay protection circuit and control circuit for electric cooker.
Home Appliance Control Board
A home appliance control board.
Cooling Fan Control Circuit
Control circuit for a cooling fan and cooling fan.
Quilt Warmer Control Circuit
Control circuit for a quilt warmer and quilt warmer.
Atomized Fireplace Control Circuit
Control circuit for atomized fireplace and multi-functional atomized fireplace.
Software Copyrights
Registered computer software copyrights for the embedded control firmware behind our smart-control and heating product lines.
Electric Ceramic Stove Software
Electric ceramic stove HS-RG002A software V1.0.
Heater Software
Heater HS-BL021A software V1.0.
Bladeless Fan Software
Bladeless fan HS-FS012A software V1.0.
Certified Quality, Documented.
Request copies of our ISO 9001 certificate, patent details, or test reports — our team will send the documentation for your review.
Request Documentation