About us

Why choose Sulong

Professional Flexible Ventilation Duct Manufacturer



According to ISO9001, ISO14001 standards, and have CE and SGS certifications


Offer the best products to maintain market leadership

Technical support

Have a university institute of technical support and professional team to serve

Research and development

Innovation is the root of enterprise production and development

Company Introduction

Jiangsu Sulong Eco-Technologies Co., Ltd

Jiangsu Sulong Eco-Technologies Co., Ltd (short as Jiangsu Sulong), was established in September 2007, with registered capital of 50.08 million CNY and 15000 ㎡ standard factory building.

What We Do

We are a professional manufacturer of PVC products being divided to three series: SL serial Coated Fabrics & Membrane Material, SLFT-PVC serial Ventilation Hose Duct and SLF serial Waterproof Coiled Material.

What We Have

Our company has complete sets of machining equipment and five production lines: Intelligent one time forming production line for air-ducting coated fabric with independent intellectual property, two tape casting production lines for waterproof rolls, one production line for tubular product, two production lines for ventilation duct processing. As of 2015, we have 23 authorized patents of independent technical property and 4 invention patents.

Company Introduction

Jiangsu Sulong Eco-Technologies Co., Ltd

Who We Work With

Besides, working with Sichuan University of their high polymer material research, we successfully developed a new PVC Ultrathin membrane curtain coating equipment “Intelligent Air-ducting coated fabrics formation” and get the first set equipment authenticate of Jiangsu Province. With the own R&D center and sales center, Jiangsu Sulong is a developing enterprise with high R&D ability and market competitive capability.

Certificates We Have

The company has got the CE certificate and passed the ISO 9001-2008 Qualification System, ISO 14001:2004 Environmental Management System, GB/T 28001-2011/ OHS AS 18001:2007 Occupational Health Safety Management etc. With the outstanding producing and marketing, we are awarded as JIANGSU NEW HIGH-TECH ENTERPRISE, AAA certificates etc.

Who Trust us

Over 7-years development, we are qualified suppliers to SINOHYDRO Corporation Limited, CRCC, CWE, Power China,China Coal, CCCC and CGGC etc. For overseas, our products are used more than 20 countries and areas.


With concept of High Quality by Valuing Every Material, we will try our best to get closer to customer, appear at first time, understand their detailed demand of our products and service, and provide the most suitable solutions. Through valuing every material in exchange for the customer’s high quality, we continually improve our customer satisfaction.