Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for Camera Spirit Level, Mini Spirit Level , Spirit Level 1000mm , Machine Spirit Level ,Professional Aluminium Spirit Level . The concept of our corporation is "Sincerity, Speed, Services, and Satisfaction". We're going to follow this concept and gain more and far more customers' pleasure. The product will supply to all over the world, such as Europe, America, Australia,New Zealand , Indonesia ,Atlanta , Vietnam .The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.