Innovation and quality-driven Sound Insulation material solutions leader
ASLONG is committed to providing high-performance sound insulation material solutions. Through innovative technologies and environmentally friendly products, it helps various industries improve efficiency, save energy and reduce consumption, promote sustainable development, and create a better future.
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about ASLONG
ASLONG (Guangdong Welllink New Materials Co., Ltd.) was established in Guangzhou, China. It is a high-tech enterprise specializing in the research and development, production and sales of acoustic materials, sound insulation materials, shock-absorbing materials and other products. We have a modern production base of more than 10,000 square meters, equipped with advanced production equipment and testing facilities, and are committed to providing efficient, environmentally friendly and high-performance material solutions to customers around the world.
With strong technical research and development capabilities, rich industry experience and wide market recognition, Welllink has established a good brand image in domestic and foreign markets. Our products have been exported to Europe, North America, Asia, Africa and other regions, and are widely used in many industries, such as construction, automobiles, homes, industry and acoustics, and have won high praise from many customers.
ASLONG Advantages
Modern production line
Witness the seamless flow of our state-of-the-art manufacturing process.
From raw material handling to final quality inspection, our production lines are designed for efficiency and precision.






ASLONG Honors
Since its establishment, Welllink has won numerous honors and awards for its high-quality products and professional services, including:
◆ ISO 9001 Quality Management System Certification
◆ ISO 14001 Environmental Management System Certification
◆ CE Certification
◆ ROHS Certification
◆ Industry Awards and Certifications in Many Regions Around the World





Highly qualified team
ASLONG has an efficient, professional and innovative team. Our team consists of experienced engineers, technical experts, designers, production managers and sales service personnel. Each member is committed to providing the best solutions and services to ensure that every customer's needs are accurately responded to.
We focus on the continuous training and skill improvement of employees, and encourage cooperation and innovation among teams to maintain the company's leading position in the industry. The close cooperation and professional ability of the team are the core competitiveness of ASLONG's continued growth and development.
Our new sound insulation materials
ASLONG offers a wide range of products covering acoustics, sound insulation, shock absorption and other fields that are widely used in industries such as construction, automobiles, homes, industry and entertainment facilities. Our products include: Butyl Rubber Sound Damping Mat, Mass Loaded Vinyl, NBR foam, Sound White Cotton, Tire silent foam, Butyl waterproof tape, Electric auxiliary Material, etc.

ASLONG NBR Foam: Wholesale NBR foam solutions for diverse applications. High-quality, durable, and competitively priced. Contact us today for bulk orders.

ASLONG's ABD-20 Semi-Conductive Self-adhesive Tape offers superior performance. Wholesale Semi-Conductive Self-adhesive Tape is available now. Ideal for EMI shielding, this tape provides reliable conductivity and easy application. Contact us for bulk orders.

ASLONG Mass Loaded Vinyl for sale. Reduce noise pollution effectively with our high-quality, mass-loaded vinyl. Ideal for soundproofing walls, floors, and more. Buy now and experience the difference!

Discover the ASLONG Car Sound Damping Sheet—High Quality sound damping material designed to reduce road noise and vibration. Improve your driving comfort with this easy-to-install, durable car sound damping sheet for superior sound insulation.
Professional support at any time
Contact us for a free quote on our new soundproofing materials!
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