Construction of Solid Waste Management Center in Muang District, Chiang Rai Province. Project Value 230.900 Million Baht. The center is ready to serve the public in solving environmental problems of solid waste management in Chiang Rai. The waste disposal system contain with Recycling process, Bio-organic compost from organic waste, Unused garbage can be recycled, squeeze out the leech and leech water treatment system Before the landfill.