More than 20 years of OEM and ODM service experience.

About Us

Our company

About Nortech

NORTECH Engineering Corporation Limited is a leading industrial valve manufacturer and supplier in China, with over 25 years of OEM and ODM experience. With a sales team in Shanghai and manufacturing facilities in Tianjin and Wenzhou, we serve customers across diverse industries worldwide.

Quality, innovation, and customer focus are at the core of everything we do. We continuously refine our processes and capabilities to deliver consistent, reliable solutions — and to grow together with our customers.

25+
Years OEM/ODM experience
16,000㎡
Production base
200
Employees
30
Senior engineers & technicians
What we do

Manufacturing & customisation

OEM / ODM valve production
Product development and moulding
Private labelling and custom packing

Sourcing & supply

Valve sourcing and stocking
Complete package procurement
Short lead-time delivery from stock

Actuation & service

Actuator commissioning and sizing
Valve repair and reconditioning
On-site technical support

Inspection

Third-party valve inspection
Factory witness testing
Quality auditing on your behalf

Export markets
Americas
Europe
Middle East
Southeast Asia

Manufacturing partners & subsidiaries
Tianjin Greatwall Flow Valve

Tianjin Greatwall Flow Valve Co., Ltd.

OEM Manufacturing Partner — Butterfly valves, check valves & strainers

Top-ranked valve manufacturer in China and OEM partner to world-leading valve companies. Equipped with 100+ sets of CNC machining, NDT, spectral analysis, mechanical property testing and ultrasonic equipment.
ISO 9001
CE / PED
WRAS
ACS

Nantong High-Medium Pressure Valve

Nantong High-Medium Pressure Valve Co., Ltd.

OEM Manufacturing Partner — Gate, globe, check & ball valves

Founded in 1965. 87,000㎡ combined facility in Nantong. Specialises in high-pressure valves up to DN72" / 4500LB. Designated manufacturer for Hitachi Metals (Japan) and Powell Valves (USA).
ISO 9001
ISO 14001
ISO 45001
API 6D / 600 / 607
CE / PED
TR-CU
CRN
SIL

Shanghai ES-Flow

Shanghai ES-Flow Industrial Co., Ltd.

Sales, stocking & technical support subsidiary — Shanghai

Warehouse, sales team and technical support hub for valve stocking, actuation and distribution. Considerable stock of valve parts and complete valves ensures short delivery times. Main products: actuated valves, pneumatic & electric butterfly and ball valves, gate, check and globe valves, strainers.
Short lead time
Actuated valve specialist
Flow control solutions

Manufacturing equipment
All castings are supplied from top-ranked foundries with ISO 9001 certification.
Robot machine

Robot machine

Vertical lathe

Vertical lathe

Painting line

Painting line

Shot blasting machine

Shot blasting machine

Precision machined valve parts ensure minimum operating torque and long service life.
Certifications
ISO 9001

ISO 9001
WRAS

WRAS
ACS

ACS
CE / PED

CE / PED
Firesafe

Firesafe
ATEX

ATEX
Beyond our own manufacturing facilities, we work with other top-ranked valve manufacturers in China — all holding the certifications required for their respective applications.