Henan Lianghe Pipeline Equipment is a professional modern enterprise of water supply and drainage equipment with 20 years' experience in research and design, manufacturing and sales service, import and export trade. The company has passed ISO9001:2015 quality management system certification, and has a strict quality control system, standard production process, and standardized factory inspection plan to ensure that the products meet the technical requirements.The company adheres to the business ...
QC Profile
Quality control is paramount in the manufacturing of rubber expansion joints to ensure longevity, reliability, and safety in demanding applications. Our process begins with stringent raw material selection, verifying the chemical and physical properties of compounded rubber and fabric reinforcements.Each joint undergoes meticulous vulcanization under controlled time, temperature, and pressure to achieve optimal elasticity and strength. We conduct 100% pressure testing on every unit, subjecting ...