New Member Spotlight | A Benchmark in National Standard Development! Lianhe Qiang Rubber & Plastics Joins the Guangdong Province Doors and Windows Association
Jul 02,2026
Zhongshan Lianhe Qiangxiang Plastics Technology Co., Ltd., established in… 2026 year 6 month 6 In [year], the company joined the Guangdong Province Doors and Windows Association as a director unit. Door and window sealing is the core factor enabling system windows to achieve air tightness, water tightness, sound insulation, and energy efficiency; high‑quality sealing strips directly determine the overall performance and service life of the entire window assembly. As a leading domestic enterprise in architectural sealing systems, the company has been deeply engaged in curtain wall and door/window sealing for 37 years, leveraging its expertise in national standard development to drive the high‑quality upgrading of Guangdong’s doors and windows industry.
I. Company Profile
Founded in 1990, Lianheqiang is dedicated to in-depth expertise, professional manufacturing, and focused R&D, production, and sales of sealing systems for architectural curtain walls and doors and windows. It serves as a participating drafting unit for the national standard on sealant strips and the lead drafting unit for the national standard on expansion joints. Its products comply with major global standards, including Chinese, U.S., British, European, German, and Japanese specifications.
As a benchmark enterprise in China for sealing strips used in architectural curtain walls and doors and windows, the company is driven by the mission of “leading high‑quality industry development through specialization and excellence.” Upholding core values of pragmatism, efficiency, professionalism, innovation, and mutual success, it has established an end-to-end closed-loop quality‑control system spanning raw materials, manufacturing, and finished products. Committed to a 100% pass‑rate standard, the company empowers the construction industry with superior product quality and technological innovation.
Through its advanced, detailed‑design sealing system solutions, Lianheqiang delivers exceptional “zero‑leakage” quality. It fortifies every layer of a building’s sealing integrity, meticulously safeguarding major national projects and earning the title of an “invisible champion” in the architectural sealing industry. To date, it has served over 5,000 landmark projects worldwide, with overseas operations accounting for nearly half of its business, rooted in the Greater Bay Area and serving clients across the globe.
II. Corporate Advantages
Lianheqiang has, over 37 years of dedicated expertise, forged an “invisible champion” in the field of architectural curtain wall and window‑door sealing. Its core strengths—spanning brand heritage, technical standards, global project portfolio, product quality, intelligent manufacturing capabilities, and strategic positioning—have established comprehensive competitive barriers. The company holds the national Kangju KCPC certification and is an officially designated manufacturer of sealant strips for windows, doors, and curtain walls certified by the Ministry of Housing and Urban–Rural Development. Additionally, it has earned numerous prestigious industry accolades, including the China Window & Curtain Wall Golden Pavilion Award, being named the preferred brand for AL‑Survey sealant strips, and ranking among the Top 10 Innovators in the sector, with its brand strength widely recognized across the industry.
Project Cases
Supertall | Quality Engineering
R&D Testing Center
Product Showroom
R&D Testing Team
Honors and Qualifications
III. Product Showcase
Platinum silicone four‑component composite clip wire spray adhesive strip
Platinum silicone skin-friendly dustproof sealing strip
Composite foaming, composite threading
TPV Santoprene sealing strip
Welding corner
Extra-large welded deformation joint sealant strip
Looking ahead, Lianhe Qiang sealant strips have honed benchmark quality through their reputation in major global projects, leveraging cutting-edge curtain‑wall sealing technology to elevate the performance of system windows and doors. Aligned with the trend toward green and low‑carbon development, they employ eco‑friendly new materials, high‑standard sealing processes, and collaborative upstream–downstream partnerships to drive the high‑quality growth of the window and door industry.
Related Posts
Contact Us
E-mail :lianheqiang1990@126.com
Phone/WhatsApp：+86-15015588002
Address：
No. 218 Jiefu Road, Jieyuan Village, Minzhong Street, Torch Development Zone, Zhongshan City, Guangdong Province
