About us


The company was founded in 1996, and has expanded its operation to become a leading manufacturer of premium quality measuring tapes

with 25 - years’ efforts.


Innovative design concepts and products are benchmarks in the industry today, as well as the premise attracting customers.  Advanced manufacturing technology and sophisticated production cost-control management is the foundation of trust from the customers. Excellent and stable product quality is to ensure the company's long-term development.


The company continuously offers private label service of leading design products to global hand tool industry, while also providing OEM service for major measuring tape manufacturers.

Company history


1st Decade: 1996 – 2005









2nd Decade: 2006 – 2015









3rd Decade: 2016 – 2025









Wingshing Industrial Ltd. was founded.

Manufacturing long steel measuring tape and chalk line.

ISO9000 Quality Management System was approved.

Acquired EEC certificate.

Company name was changed to Ningbo Oubo Hardware

Industrial Ltd.

Tooling and plastic injection work-house were established.



Demass brand was introduced, improve product quality.

1st company to introduce two-side bi-color coating technique.

Acquired UK MID certificate.

Acquired France MID certificate.

Acquired JIS B 7512 steel tape measures certificate.

Import two-side Class precision printing machine from Japan.

1st company to print the upside blade with three-color.



Plant was moved to new site, comprehensively promote the    management level.

BSCI (Business Social Compliance Initiative) was approved.

1st company to introduce black color blade.

Acquired JIS B 7522 fiberglass tape measures certificate.

The project of laser distance meter was added.

Ningbo Demass International Trading Ltd. was founded.

The project of Planar laser level was added.

The project of folding rule was added.

The project of 32mm width tape measure was added.




General information


Employees: 200 – 250

Plant area: 10,000 m2

QC members: 15

Engineers for equipment: 3

Engineers for R&D: 3

Industrial designers: 6

( close cooperation partner – SOHUI DESIGN )

Graphic designers: 2

( close cooperation partner – SUNNY DESIGN )


Production capacity and sales volume in 2015:

5 million pieces,  USD10 million


Production capacity and sales volume in 2025:

8 million pieces,  USD16 million

Estimated increase by 60% within one decade


Sales area:

Export:  Europe 48%,  America 18%,  Asia 20%,

Oceania 6%

Domestic:  China 8%

Management and quality


We are committed to make products at high level, build strong relationships with customers and satisfy world-wide customers’ needs by stabilizing management and optimizing product quality.


We found that people prefer quality to quantity while quantity production and consumption are no longer a trend. Greater value is reflected in the smaller production scale with high reliable products and fine production process which make us focus on quality products at high level.


We encourage each team member to develop and make his greatest achievements under an effective environment which ensures us to continuously pursue mutual object of higher quality products.


Innovative design


Through systematic collection of information, which is helpful to market research and guiding product development planning, through unconventional thinking and intense creativity, our design team maintains its leading position in this industry, explores new possibilities and introduces new products.


Awarded products:



Name of award:

2015 China Red Star Design Award



The unique design award with international influence in China



Beijing Industrial Design Promotion Center



Awarded products:



Name of award:

2014 China Industrial Design Innovation Award






China Industrial Design & Research Institute



Selected Awarded products:

Grip Power

Grip Pro


Name of award:

2017 - 2018 Manufacturing Excellence & Innovation Awards



The unique design award with international influence in China



Manufacturing Excellence & Innovation Committee



Updated techniques


Committed to improve our productivity through integrating advanced techniques and equipments into our production, high precision with five-color two-side printing machine made in Japan.


To meet the customers’ need for JIS Class 1 and EC Class standard products, we are planning to import high precision and automatic measuring scale and calibration inspection equipment and improve comprehensive product inspection system.

Exhibitions attended


1,  International Hardware Fair Cologne

2,  Asia-Pacific Sourcing Fair Cologne

3,  National Hardware Show Las Vegas


5,  China International Hardware Show