Color Room Products: new spatial structure - arched corrugated metal roofing technology (YT6118 type, YJ3011 type wooden booth, span: 6-30M) with large spanning capacity, light weight, construction speed, seamless waterproof, long life cycle and other advantages. Its outstanding feature is unsupported span adapt 6-42M, suitable for warehouses, workshops, factories, exhibition hall, plant breeding, auditorium, library, classrooms, lecture halls, sports stadiums, markets, housing and so on. Due to light weight, design and construction cycle is short, particularly adapted to all kinds of House floor and renovation. Metal roof molding technology to automate the construction and mechanical perfection combine to simplify construction roofing, metal roofing forming, comes machinery, low-site fabrication and installation, labor intensity, high production efficiency, speed of construction, much of Architects of all ages. Comparison of metal arched roof and traditional structure: a large span (6-42M arbitrary choice) None None purlin beams, unsupported, open space interior headroom is excellent. Second, low cost, affordable, roofing set insulation, insulation, ventilation and lighting in one, self-contained. Third, the construction speed, per ten thousand square meters of roof construction can be completed in about 20 days. Fourth, light weight, long life: light weight, ideal for color steel buildings in floor and renovation, life cycle of 50 years. Five, handsome in appearance, colorful (twelve color arbitrarily chosen), style unique, innovative and rhythmic, with a permanent waterproof seamless effect. Application: temporary office features: reliable structure, houses were galvanized steel frame members. Roof with structural waterproofing design, without any other water treatment. Housing wall and roofing materials are used double-sided color steel sandwich panel, wall thickness of 50mm, the average thickness of the roof is 100mm. Weight about 40㎏ / m, house design is reasonable, easy to transport security guard post, a 40-foot container can be shipped 260㎡ (GFA). Free water-free water to flush toilets flush toilets, which include: toilet room, urinals, stool mouth, straight-stool, deodorizing liquid, then spacers paper delivery device, power generation equipment and heating equipment, the utility model-free water will toilet is characterized by: fecal matter falls release paper on the conveyor belt, the paper will be cut off from contact with objects and the conveyor belt, leaving the conveyor belt to keep clean booth pictures, use deodorant solution for large, to deodorize urine, so that they no longer matter foul smell, when they completed out of the door, touch delay switch, conveyor rotates among the stool, then things from the conveyor belt, do not fall in the water will keep it inside yourself, using deodorant was treated by urine flush liquid stool, is also no longer use the water booth, the use of solar power-driven transportation device used for lighting, and the use of solar energy for heating in winter toilet, not only saves valuable resources combustible, and is more environmentally friendly. Stainless steel booth, Zhengzhou Kwong Tak green (certified), Xinyang booth provided by the Environmental Protection Equipment Co., Ltd., Zhengzhou-German. Zhengzhou-German Environmental Protection Equipment Co., Ltd. (www.ydhbcs.com) is a leader in Zhengzhou, public sanitation facilities, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Zhengzhou-German leadership in environmental protection with the staff warmly welcome all inquiries negotiations to create a better environment Zhengzhou Guangde future.