square seamless packet column's qualifications and internationally authoritative certifications

Our square seamless packet column happens to be commissioned by global authoritative institutes and also cater to the Chinese standards. We keep close contact and extensive cooperation with big businesses regarding the global industry. These globally authoritative certificates demonstrate that our merchandise is at the forefront of this business.

Based in China, Carlos Metal Building Material Co., Ltd. gradually evolves into a manufacturing pioneer. We are developing into a global manufacturer. Carlos Metal Building Material's aluminum wall panels series are created based on unremitting efforts. The raw materials of Carlos aluminum honeycomb sheet undergoes the strict selection, which is conducted by our workers. Our products have all passed the certification of ISO 9001 and environmental system of ISO 14001. The product can last for a long time. It can withstand erosion, corrosion, fatigue, creep, and thermal shock throughout its life. Our products enjoy 2-year warranty and 5-year durability.

We have made a plan for effective production. We work hard to cut down resource consumption and wastes and carry out recycling programs to achieve resource sustainable development.