About Hamnow

Hamnow Polymers

Specialized in the research and production of color masterbatches

Hamnow/ Zhongte is located in Wuzhong District, Suzhou City, Jiangsu Province, close to Taihu Lake 5A scenic area, with beautiful environment and convenient transportation. Our company specializes in developing and producing color masterbatches, color powder, color paste, color oil and other coloring products for various materials, including PE, PVC, PP, LSZH, PC, ABS, POM, PMMA, PET, PBT, PA, EVA, TPU, TPE, TPEE, PLA, PETG, FEP, rubber and so on, with high concentration, low addition ratio, strong coloring power, stable color and reliable temperature resistance. The color is stable, the temperature resistance is reliable, and it can meet various processing processes (such as extrusion, injection molding, blown film, spinning, blow molding) and various special requirements (such as sunlight resistance, migration resistance, reagent immersion resistance, food grade, medical grade), etc.

At the same time, we can develop and produce all kinds of functional masterbatches, such as anti-rodent, anti-termites, anti-UV, anti-static, anti-mold and anti-bacterial, etc., which have strong applicability and superior performance, and can also be customized according to customer requirements. All products are environmentally friendly, widely used, and have third-party test reports from authoritative institutions that meet industry standards.  Based on the material development and coloring, color powder, color paste, color oil and other types of products, can provide customers with more choices and better solutions.

Insist on virtue as the source, respect and trust, care and sincerity, learn from each other, share and share, and build the firm cornerstone of the enterprise.

Development History

  • 2021

    Successfully developed color oil series products, which can be used for spinning and high permeability and other demanding products, and received product verification and customer approval.

  • 2020

    Successfully entered the food packaging and medical industry, can meet the high corresponding requirements and get the third-party testing approval from the authority.

  • 2019

    Factory R & D laboratory was opened with a floor area of 1200 square meters, and testing and simulation equipment was added simultaneously to better serve users of various products. Successfully developed spinning type color masterbatch products and entered the yarn market.

  • 2018

    Ltd. was established to take over the business of Hanno Suzhou due to business expansion.

  • 2017

    The construction of the second phase of the new plant No. 3 has been completed, with an additional production area of about 5,000㎡. The 35 new production lines and the new plant have also passed the application of the Development and Reform Commission.

  • 2015

    The annual sales exceeded 35 million, and the color masterbatch and functional masterbatch were fully recognized by the industry.

  • 2013

    The technical team has successfully developed masterbatches of PA12, FEP, laser marking masterbatches 2012, antistatic oyster masterbatches and other special materials.

  • 2012

    The company has increased investment in two major sections of environmental protection equipment and laboratory equipment, creating a more advanced and environmentally friendly production environment for the manufacture of better quality products.

  • 2009

    Anti-rodent bite and anti-termite were approved by the third party test and officially launched in the market. In the same period, the color masterbatch has also made breakthroughs in industrial fields such as injection molding and blown film.

  • 2008

    The company has developed and produced successful anti-rodent and anti-ant masterbatches, and built a special workshop and special production line.

  • 2007

    Ltd. was established and started to develop and produce masterbatch products. In the same year, the company obtained ISO-9001 certification.

  • 2004

    The founder of the company, Mr. Wu Man Ming, established Suzhou Zhongte Electric Material Co., Ltd. in Xujiang Industrial Park, Wuzhong District, Suzhou, covering an area of more than 20 acres, and built the No. 1 and No. 2 workshops on the land he purchased, with a construction area of 12,000 square meters.

Our company has passed the ISO9000 quality management system certification in November 2007, and will regain the ISO9001:2015 system recognition issued by SGS in 2019. The company pays attention to environmental protection and has obtained the environmental assessment and the relevant project permit from the Development and Reform Commission in 2006, so it has a long and stable service guarantee.

  • ISO9000


  • ISO9000


  • 环境评价及发改委相关立项许可



With the spirit of "professionalism, realism, hard work and innovation", Hamnow / Zhongte is constantly expanding new business and opening up new markets. Relying on professional quality, perfect sales and service system and swift and considerate technical support, we look forward to becoming your most trustworthy partner!

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