General Manager / Sales Manager
Based in the city of Xuzhou in north-eastern China’s Jiangsu province, Xuzhou Longshida Chemical commenced their additives operation in 2009.
The company produces several different additives which are widely used in coating, adhesive and emulsion formulations. Defoamers account for 50% of the current business, but the product range also includes wetting and dispersing agents as well as thickener. The company is currently in the process of acquiring a new factory which will help to increase their additives capacity and give them new tools to produce waterborne coating and adhesives.
“The waterborne coating and adhesive market has been growing fast in recent years as a result of the Chinese government’s policy and efforts to protect the environment,” says Mr. Zhang Lei, President of Xuzhou Longshida Chemical. “Increased consumer awareness about waterborne coating or adhesives when they buy floors, furniture or houses means that we expect continued growth in the segment.”
Xuzhou Longshida Chemical’s cooperation with Nynas started in late 2016, when they experienced quality issues with a new defoamer grade.
”Several end customers complained that product performance and quality were not stable. At that time I was using a Group II paraffinic oil,” notes Mr Zhang, who made contact with Nynas through one of his adhesive customers.
He was recommended several naphthenic oil formulations by the Nynas sales team. Learning how naphthenic oil has higher polarity and solvent power compared to paraffinic oil, which helps to improve the stability and performance of the antifoam, a decision was made to test Nytex 810.
“Fortunately, one formulation was similar to ours, so we fine-tuned it and got a better product.”
In early 2017, the switch to naphthenic oil was made, commencing deliveries first in drums and later on in larger ISO tanks from Nynas’ depot in Shanghai. Initially, Mr Zhang was very happy with how Nynas’ oil helped solve the quality problems, reducing customer complaints as a result of the improved performance.
“After more contact with Nynas, I also experienced how the company and its employees are very reliable. In my opinion, reliability is the key factor besides product.”
With the new formulation based on naphthenic oil, Xuzhou Longshida Chemical’s antifoam can now compete with those of its major competitor, a large global chemical company, which has given Mr. Zhang the confidence to expand his business.
“More and more end customers recognise it. Better performance and quality also enable us to increase our margins. After one year’s collaboration, I really appreciate the high quality and stable performance of Nynas oil as well as the services of its employees.”
As a specialty additives supplier, Xuzhou Longshida Chemical has to develop different formulations to meet their customers’ diverse requirements. Mr Zheng expects a continued close collaboration with Nynas.
“I prioritise Nynas oil when our products need mineral oil in the formulation.”
Xuzhou Longshida Chemical
The company’s headquarters and factory are located in Xuzhou city, Jiangsu province, where it employs a total of around 60 people. It also has sales offices in Shanghai and Dongguan city, Guangdong province.
A hydrotreated, medium viscosity naphthenic oil, with low volatility, and very good low temperature properties. Its excellent solvent power ensures good compatibility with a wide range of polymers and resins, making it well suited for use in rubber processing and off set printing ink. Its naphthenic character provides a good basis for stable emulsions, which is beneficial in water based applications such as leather treatment, explosives, mould release and defoaming agents.
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