+86-29-89182091
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Developable Polystyrene Promotes Industrial Development

EPS is made of polystyrene resin as the main body, adding foaming agent and other additives. It is a kind of buffer material that is widely used at present. Polytyrene resin suppliers in China are mainly concentrated in Northeast China, Jiangsu and Zhejiang, Beijing, Tianjin and Hebei, and most of them are small and medium-sized enterprises. Sunresin is a professional manufacturer.

Our company has supervised the moulded polystyrene foam for insulation for five times in five years, and the qualified rate of the products has gradually increased. The quality of products is steadily improving. Apparent density refers to the quality of foamed plastics per unit volume at specified temperature and relative humidity. Apparent density affects other physical performance indicators and directly reflects the cost of the product.

China's insulation market started late, but in the past ten years, it has actively advocated the development of energy-efficient buildings and reduced energy consumption. The expanded polystyrene board thin plastering exterior wall thermal insulation technology has been widely applied, and the demand for expandable polystyrene foam foaming agent has been increasing, which has led to the rapid development of major enterprises. At present, there are about 2000 EPS production enterprises in China. The production momentum of EPS foams is good and the quality of EPS foams is constantly improving. However, the number of large enterprises is relatively small, so Sunresin Company must move towards this goal. 

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Sunresin Park,No.135, jinye Road, Xi’an Hi-tech Industrial Development Zone, Shaanxi-710076, China
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Mobile Sorption Module for Gold Extraction
PFAS Removal
Bio-Pharmaceutical & Life Science
Modern biopharmaceutical technologies typically use biological microbial fermentation...
Chemical Industry
Purification of chemical compounds has become a vital part of most industrial processes.
Drinking Water Treatment
Drinking water is essential to life. Every day every human being has to drink and use water for food preparation.
Food & Beverage Industries
Food is closely related to everyone, and the finishing of food comes from people's relentless pursuit...
Hydrometallurgy & Mining
Hydrometallurgy is a technique for extractive metallugry involving the three general area...
Direct Lithium Extraction (DLE)
Sunresin is the major DLE lithium sorbent producer in China which mainly used for extraction lithium from salar brine and geothermal brine etc with high efficiency.
Industry Water Treatment
There are many uses of water in industry and, in most cases, the used water also needs treatment to render...
Plant Extraction
Plant Extraction is a process to gather the trace bioactive compounds from the tissue of a plant.
VOCs Treatment
With the widespread use of chemical products in the industry, more and more organic...
Wastewater Treatment
Wastewater treatment is the process of converting wastewater into an effluent that can be discharged
Latest News
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2025 07
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Sunresin has obtained 10 Drug Master File (DMF) registrations for its chromatography resins used in antibody, vaccine, and gene therapy production. With 9 more products under review, Sunresin provides robust regulatory support for global pharmaceutical customers and accelerates IND/NDA filing efficiency with FDA and EMA compliance.
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Sunresin New Materials Co., Ltd. is pleased to announce that its invention titled “A Lithium Adsorbent and Its Preparation Method” has been officially granted a patent in Australia.
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 SZSE Visits Sunresin – An ETF Constituent Company in the CSI 500 Index
On the morning of March 28, the Shenzhen Stock Exchange (SZSE), along with representatives from Harvest Fund and over 30 other participants, visited Sunresin— a constituent company of the CSI 500 Index — for a special research and engagement activity.

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Sunresin Park,No.135, jinye Road, Xi’an Hi-tech Industrial Development Zone, Shaanxi-710076, China
Call us on:
+86-29-89182091
+86-29-89182091
seplite@sunresin.com