About TENORCHEM

Chemical manufacturing.
Export experience.
Since 2002.

From industrial salts to water-treatment chemicals, our business brings together production, laboratory testing and technical service.

A look inside our factory
Entrance to the TENORCHEM manufacturing facility in Weifang
Our manufacturing facility · Weifang, Shandong, China
Our history

Built on manufacturing.
Growing with our customers.

Shandong Tenor Water Treatment Technology Co., Ltd. and Weifang Tenor Chemical Co., Ltd. are sister companies under common ownership.

Explore our products ↗
2002

Weifang Tenor Chemical Co., Ltd.

Began manufacturing and exporting calcium chloride, magnesium chloride and environmentally friendly deicing agents.

2009

Shandong Tenor Water Treatment Technology Co., Ltd.

Established to expand into water-treatment chemical manufacturing.

Inside TENORCHEM

From production
to dispatch.

Explore our production facilities, laboratory testing and export preparation.

Company film · English narration · 2 min 43 sec

Manufacturing & technical capability

Production at scale.
Support in practice.

Our Weifang site brings manufacturing, research and quality control together. Production capacity for each main product is listed below.

53,000
m² manufacturing site
3
Laboratories
10+
National patents
98%
Customer satisfaction

Annual production capacity

Main products · metric tonnes per year

ProductTonnes / year
Poly aluminium chloride100,000
Polyacrylamide20,000
Calcium chloride50,000
Magnesium chloride20,000
Polyferric sulfate10,000
TENORCHEM laboratory staff carrying out water-sample testing
Laboratory testing at TENORCHEM.

Research & technical service

Our patented technologies cover composite flocculants, production processes and sludge reduction. Laboratory testing supports product selection, with technical consultation before and after supply and cooperation with international water-treatment service partners.

2026 Shandong specialized and innovative SME plaque awarded to Shandong Tenor Water Treatment Technology Co., Ltd.

Shandong specialized & innovative SME

Recognition for Shandong Tenor Water Treatment Technology Co., Ltd.

Weifang Bureau of Industry and Information Technology · 6 June 2026

Weifang municipal laboratory recognition · 2019

Weifang Engineering Laboratory for New Composite Flocculants plaque awarded to Shandong Tenor Water Treatment Technology Co., Ltd., November 2019

Weifang Engineering Laboratory for New Composite Flocculants

Weifang Development and Reform CommissionNovember 2019

Weifang Key Laboratory for Sludge Reduction plaque awarded to Shandong Tenor Water Treatment Technology Co., Ltd., December 2019

Weifang Key Laboratory for Sludge Reduction

Weifang Science and Technology BureauDecember 2019

Applications served

Water treatment across industries.

Our work covers industrial wastewater and drinking-water treatment, with applications in power generation, metallurgy, petrochemicals, textiles, pulp and paper.

Management systems

Certified management
systems.

The certificates below cover the production and sale of poly aluminium chloride water-treatment agents by Shandong Tenor Water Treatment Technology Co., Ltd.

ISO 9001:2015 certificate for Shandong Tenor Water Treatment Technology Co., Ltd.

ISO 9001:2015

Quality management

Certificate
NOA2500727
Issued by
NOA Testing & Certification Group
Expiry shown
21 January 2028
View certificate ↗
ISO 14001:2015 certificate for Shandong Tenor Water Treatment Technology Co., Ltd.

ISO 14001:2015

Environmental management

Certificate
NOA2405460
Issued by
NOA Testing & Certification Group
Expiry shown
10 June 2027
View certificate ↗
ISO 45001:2018 certificate for Shandong Tenor Water Treatment Technology Co., Ltd.

ISO 45001:2018

Occupational health & safety

Certificate
NOA2405459
Issued by
NOA Testing & Certification Group
Expiry shown
10 June 2027
View certificate ↗

For supplier qualification, ask our team for the latest certificate copies and the documents applicable to your product.

Field experience / Overseas customer

On site for wood-cooking
wastewater treatment.

At an overseas customer’s wood-processing plant, our team discussed treatment of wood-cooking wastewater with the customer on site.

Technical discussions during TENORCHEM’s visit to an overseas customer’s wood-processing plant
Technical discussions during the overseas customer visit.
Wastewater equipment photographed at the overseas customer’s wood-processing plant
Wastewater equipment at the customer’s site.
Export experience since 2002

Prepared for
international supply.

Our overseas supply experience includes Vietnam, Thailand, Malaysia and the Middle East. Packing, cargo checks and shipment arrangements are planned for the product and destination.

TENORCHEM calcium chloride big bags stored at Qingdao Port
Qingdao Port · September 2023 · an example from our shipment records.

From the right pack
to the right shipment.

  • Industrial bags, big bags and private-label formats
  • Palletized and unpalletized arrangements
  • Cargo checks and loading photographs
  • Container and vessel shipment experience
See calcium chloride packing & loading ↗
Visitors and TENORCHEM staff walking through the manufacturing site
A factory visit from the TENORCHEM company archive.
Visit our factory / Weifang, China

Meet the people.
See the process.

Plan a visit around your products and application, with time to meet our technical team.

  • Production facilities and packing arrangements
  • Laboratory work and product quality checks
  • Water-sample requirements and treatment trials

Tell us your preferred dates, team size and products of interest so we can arrange the visit.

Arrange a factory visit