2025

Entering Southeast Asia

The establishment of the Jakarta Office in Indonesia provides faster and more convenient services to the entire Southeast Asia region.

2024

Redefining Seal Strips

The new generation of Teflon smooth, durable, and reinforced EPDM-S composite sealing strip has been launched, redefining high-end curtain wall sealing strips.

2020

The Belt and Road Initiative

Lianheqiang brand's sealing strips were awarded the "Belt and Road" project, the new capital CBD of Egypt, and became the largest supplier of sealing strips.

2019

Innovation leads the future

A new generation of low-smoke, environmentally friendly, flame-retardant grade sealing strips has been successfully developed, presented as a tribute for celebratory projects such as the 70th anniversary of the founding of the People's Republic of China military parade, and a series of national-level projects. Because the strip is red, it is dubbed the "Chinese Red Strip". Subsequently, using this strip as a reference, a series of flame-retardant standards were rapidly revised and added, and applied in various types of flame-retardant fields.

2018

Set sail on a new journey

The first phase of Lianheqiang sealing strip Zhongshan production base, with an investment of 80 million yuan, has been completed. With the operation of high-performance platinum silicone workshop, EPDM-S workshop, intelligent material system, etc., it marks Lianheqiang's entry into a new historical stage.

2017

Flowers of Victory

Lianheqiang successfully bid for the second tallest building in the world - the 118-story building in Kuala Lumpur, Malaysia

2015

Growth journey

According to the data, Lianheqiang Company has developed into one of the largest enterprises in the national curtain wall and window sealing strip industry.

2013

Improve production

The Lianheqiang branch factory in Shenzhen has commenced production, with a total of 38 production lines of various types.

2012

First appearance

At the "18th National Aluminum Doors, Windows and Curtain Wall Industry Annual Conference and New Product Expo" hosted by the China Construction Metal Structure Association, Lianheqiang creatively applied sealing strips to micro-models of CCTV, the Burj Khalifa, and the Bird's Nest, bridging the gap between industrial products and daily life. This garnered numerous accolades, attracting interviews from multiple television stations and showcasing the company's immense strength and capabilities. Lianheqiang's silicone rubber sealing strips, EPDM sealing strips, chloroprene rubber sealing strips, thermoplastic EPDM (TPV) strips, soft PVC sealing strips, hard PVC strips, nylon fiberglass thermal break strips, and other series of products have passed the national Kangju certification, becoming one of the first manufacturers with professional building sealing strip qualifications.

2009

High-quality development

Launching high-quality nylon shaped thermal break and hollow thermal break.

2008

Towards the world

The successful application of Lianheqiang brand's series of sealing strips to the world's tallest building, the Burj Khalifa, marks a solid step for Lianheqiang towards the world.

2005

Introduction of advanced instruments and equipment

We have successively introduced and updated a batch of advanced instruments and equipment specifically for the domestic and international curtain wall industry, attracting a large number of industry talents. The laboratory has been upgraded to a testing center, the technology department has been upgraded to a research and development center, and the production department has fully completed the construction of the sealing strip extrusion workshop, plastic extrusion workshop, rubber molding and vulcanization workshop, and injection molding workshop. We have improved the production lines for rubber, silicone, plastic, and thermoplastic sealing strips, as well as rubber and silicone roll materials, and deformation joints. Our products basically cover the supporting sealing materials needed by the building window and door industry.

2004

Jointly formulated the first industry standard

In 2004, we collaborated with the China Academy of Building Research to publish the country's first industry standard, "Building Construction Drawing Collection for Deformation Joints," and pioneered the country's first deformation joint testing instrument and testing method.

2000

Developing new products

To meet market demands, we have developed high-performance flame-retardant silicone rubber, chloroprene rubber strips, and EPDM series special rubber strips.

1997

Leading the industry revolution

In December, we partnered with AES Corporation of the United States to hold a TPV thermoplastic ethylene propylene rubber material seminar at the Shenzhen Shangri-La Hotel. This introduced Santprene to the domestic market and was hailed by the industry as a major revolution in the domestic seal industry.

1996

First participation in the airport project

Lianheqiang sealing strips successfully participated in the airport project: Hong Kong Chek Lap Kok International Airport (HongKong International Airport)

1990

Dream Takeoff

Established in 1990, it is one of the earliest domestic enterprises to implement British and American standards and a certified building sealant company. It has actively developed overseas markets such as Hong Kong and Singapore, participating in the construction of government office buildings, large curtain walls, and public housing estates, HDB flats (public welfare housing in Hong Kong, public rental housing in Singapore).