Address
304 North Cardinal St.
Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
Get premium rotary switches, isolators, and panel components directly from the manufacturer.
Fill out the form below for pricing, catalogs, and technical support.
Shieldhz is the international-facing brand of Zhejiang Shihe Electric Co., Ltd., a Zhejiang, China manufacturer founded in 2014. We produce industrial control components for control panels, solar PV, EV charging, building automation, and OEM equipment projects.
Start Your Project
Shieldhz is the export-facing brand of Zhejiang Shihe Electric Co., Ltd. in Yueqing, Zhejiang Province, China. Built on the original Si&hel product foundation, we route rotary cam switches, PV DC isolators, push buttons and indicator lights, and related panel control components for international buyers.
Founded in 2014 as Zhejiang Shihe Electric Co., Ltd., with Shieldhz carrying the Si&hel product legacy into export markets.
A clearer English brand, product taxonomy, and documentation path for distributors, OEM buyers, and project engineers.
Focused on rotary cam switches, DC isolator switches, push buttons, indicator lights, and related panel control components.
A Zhejiang-based manufacturing brand with structured production, stable B2B supply, and export-oriented support.
Shieldhz is supported by a 5,000+ square meter manufacturing base with 100+ employees and 40+ machines. From component processing and assembly to packing and order coordination, the factory supports repeat supply for OEM programs, distributors, panel builders, and project-based purchasing.
5,000+ square meters of production space for industrial control component processing, assembly, and packing.
100+ employees and repeat-order workflows for distributors, OEM programs, and project purchasing.
Shipment and documentation support for buyers in Europe, Australia, Southeast Asia, and other markets.
OEM and specification matching support across rotary cam switches, DC isolators, push buttons, and panel components.
Batch control supports stable dimensions, mechanical feel, and electrical ratings across rotary cam switches, isolator switches, push buttons, and terminal connection accessories.
Material checks, assembly verification, and functional inspection focus on safety, endurance, and application fit before shipment.
Compliance documentation can support CE, RoHS, TUV, UL, UKCA, CCC, CB, and ISO9001 related buyer review where applicable.
Export coordination keeps specification confirmation, labeling, packing, and certificate files aligned from factory floor to global delivery.
5,000+ square meter factory base, 100+ employees, and repeat-order coordination for ongoing industrial component supply.
Private label, specification matching, and project documentation support for distributors and equipment manufacturers.
Faster quoting when buyers share model, circuit, rating, panel cutout, certificate, and quantity requirements.
Communication and shipment support for Europe, Australia, Southeast Asia, and other international markets.
Product routing centered on rotary cam switches, PV DC isolators, push buttons, indicators, waterproof boxes, and terminal connection accessories.
Built for buyers who need stable quality, predictable reorder support, and documentation continuity across product families.
Learn more about Shieldhz, Zhejiang Shihe Electric Co., Ltd., our manufacturing base, export support, quality documentation, and how we work with industrial buyers worldwide.
Shieldhz is the international-facing brand of Zhejiang Shihe Electric Co., Ltd., a Zhejiang, China manufacturer of rotary cam switches, PV DC isolators, push buttons, indicator lights, waterproof isolator boxes, and related panel control components.
Shieldhz is the upgraded export brand built on the original Sihel product foundation. It keeps continuity in manufacturing and supply while giving overseas buyers a clearer company identity, product route, and documentation path.
Yes. Shieldhz is supported by a 5,000+ square meter manufacturing base with 100+ employees and 40+ machines, covering component processing, assembly, packing, and repeat-order coordination for industrial electrical components.
Shieldhz uses ISO9001-oriented management, material checks, assembly verification, functional inspection, and certificate documentation to support product consistency for industrial use and export review.
Yes. Shieldhz supports OEM, distributor, and project-based cooperation, including private label discussion, model confirmation, specification matching, certificate coordination, and repeat-order planning.
Shieldhz can provide compliance documentation for buyer review, including CE, RoHS, TUV, UL, UKCA, CCC, CB, and ISO9001 related files where applicable to the product line and market requirement.
Yes. Shieldhz is positioned for stable supply, repeat-order support, and long-term cooperation with distributors, equipment manufacturers, panel builders, solar PV suppliers, and industrial buyers.
You can contact Shieldhz with product category, model, current and voltage rating, circuit or pole requirement, panel cutout, quantity, target certificate, and OEM needs. Clear technical details help the export team confirm the right route faster.