On April 21-24, the highly anticipated International Rubber and Plastic Exhibition 2026 Chinaplas kicked off grandly in Shanghai. Hong Kong Sunlongh Environmental Protection Co., Ltd. (hereinafter referred to as “Hong Kong Sunlongh”), a brother company of Shandong Shengfeng Chemical Co., Ltd., made a high-profile appearance with its full range of core products. With a complete product portfolio, reliable quality and professional services, it became a highlight at the exhibition, fully demonstrating its core strength in the rubber and plastic chemical supporting sector.
Relying on the parent company’s strong industrial foundation, mature production system and complete supply chain, Hong Kong Shenglanghe has long been engaged in rubber and plastic chemical supporting services. Adhering to the philosophy of “quality first, integrity-based, innovation-driven and green development”, it operates as an integrated chemical service provider covering R&D, production, sales and service, with business covering China and many overseas regions.
At the exhibition, the company highlighted its full range of plasticizers including DOP, DOTP, DINP, TOTM, DOA and DOS. With excellent performance, they meet diversified demands in plastics, rubber, coatings, adhesives, cables and other industries. Its eco-friendly plasticizers comply with international standards, featuring low volatility, high stability, low-temperature resistance and anti-aging properties, perfectly matching the industry’s green and high-performance trend.
In addition, the company provides diversified products such as chemical raw materials, high-performance additives and machinery, building a full-chain supply system and one-stop procurement solutions to reduce customer costs. It boasts four core strengths: strict quality control, stable supply chain, professional technical support and reliable brand reputation.
This exhibition serves as a key platform to showcase strength and expand cooperation. Going forward, Hong Kong Shenglanghe will continue to increase R&D investment, optimize products and services, and work with global partners to promote the green, efficient and high-quality development of the rubber and plastic industry.