Henan kelitton environmental science and technology ltd. Is registered at the west 500-metre mining district of roaddong, government of the town of makinkou, chuenzhou city, henan province, and is registered with the city market supervisory authority, with legal representatives ting ponghui, and operates in the following areas: production, sale of: water treatment materials, water purification agents (excluding dangerous chemicals); sale of: water treatment equipment, environmental equipment, air purification equipment, chemical products (excluding hazardous chemicals); graphic design; construction of environmental engineering; construction of river and lake remediation works; construction of anti-mortization projects; technical services for environmental equipment; maintenance services for water treatment equipment; equipment cleaning services; import and export of goods or technology (with the exception of goods and technology whose import and export are prohibited or administrati...