quality is the foundation of enterprise survival
service is the foundation of enterprise development

militarization, systematization, standardization

about lian xin guan ye

  sanmenxia is located in the golden triangle between henan,shaanxi and shanxi provinces.it has a long history and profound cultural heritage.from the han and tang dynasties to modern times,shaanzhou was built with the construction of a dam on the yellow river after the founding of the people's republic.the beautiful environment of blue sky an...
about us

sincerely look forward to establishing long-term cooperation with you

our advantage

cultural heritage

sanmenxia is located at the junction of the three provinces of henan, shaanxi and shanxi.has a long history and profo-und cultural heritage,is an old and young city, morethe reputation of "yellow river pearl" and "swan city".in recent years, the sanmenxia industry on the bank of the yellow riveragglomeration area, focusing on the production of plastic pipes and chemicalshigh-tech enterprises of building materials.

advanced testing equipment

completed and standardized in accordance with national standards.the testing room has formed the incoming inspection and production.process control,pre-existing, in-process,after-the-fact three-le-vel quality control system to ensu-re all productionproducts have rea-ched or exceeded national standards.

high-quality management team

the company has a high-quality management team highlevel technical team. always adhering to "integrity"confidence, professionalism, innovation" business philosophy,customers provide high quality and efficient technical support and products service. sincerely look forward to establishing long-term cooperation with yousystem.

mature and perfect after-sales service system

free pre-sale consultation, professional and technical personnel to help understand the needs of products. tracking sales throughout the sale process, and can do non-standard customization services to meet demand. professional after-sales logistics team, fast delivery, installation, commissioning and stable operation.

good quality can be seen

lian xin

12 years of devotion to r&d, design and production of pipe industry

professional production of "longming brand" water supply hdpe straight wall pipe, drainage hdpe, pvc-u double-wall corrugated pipe, hdpe steel band reinforced corrugated pipe, pvc-c electric power casing and other plastic pipes.

senior r&d talents providing technical construction scheme

senior r&d personnel, customize professional products according to customer requirements, and provide high-tech and construction schemes for the special structure and environment of specific projects.

fully implementing quality management system requirements

we should adhere to the management concept of "militarization, systematization and standardization" and vigorously implement scientific and technological progress and brand strategy.

our advantage

perfecting logistics distribution service and after-sales service system

professional distribution and transportation, cross-regional service capabilities and long-term cooperation with a number of logistics companies to ensure that products quickly and timely arrival at the use site!

products have passed a number of national certification

it can produce national quality inspection report for products.

cooperators are located in more than 20 provinces and municipalities all over the country.

customers are located in more than 20 provinces and cities in china, such as north china, central china, northwest china, east china, southwest beijing and tianjin, etc.

attentive service gives you peace of mind!

our customer