Berson Rizhao City, Shandong Province Building Materials Technology Co., Ltd. (www.cnbsfs.com) is located in Rizhao City, Shandong Rizhao Rizhao City, a new urban Jinan City Garden Road 17-A, Contact: Lin Dong two edges extension line from the end of the line 20 cm, 15 cm each draw two long, 5 cm wide, perpendicular to the end line of the short-term, short-term is between two plastic tee tennis pictures, short width included in the teeing ground, the depth of the service area of ??the barrier zone extended terminal. Range scorer sidelines of the two seats on one side of the offensive line for the extension cord between the substitutions area. Accessibility District FIVB world tournament bench outside the remote, painted 3 m × 3 m preparatory activities area. 9.50 meters volleyball net long, 1 meter wide, 10 cm square mesh, black. Along the seam is 5 cm wide double white canvas. Net hanging in the column on both sides of the net, with the vertical centerline. Male subnet is 2.43 meters high, 2.24 meters for women. Both sides of the ball in the net at the venue hanging perpendicular to the edge of a 5 cm wide with a white flag. Each tree logo on the outside with a 1.80 m long, red and white flag pole. Top rod 80 cm above the ball along the line. Weather sports known plastic runway track, a polyurethane prepolymer, mixed polyethers, tire rubber, EPDM rubber or PU grain particles, pigments, additives, fillers. Plastic track with good flatness, high compressive strength, hardness, elasticity proper, stable physical performance characteristics that will help athletes speed and technology to effectively improve athletic performance and reduce the rate of falls. Plastic track is composed of polyurethane rubber and other materials, has a certain elasticity and color, with some UV resistance and aging resistance force is internationally recognized as the best all-weather outdoor sports venues flooring materials. For nursery schools at all levels and professional sports, track and field track, semicircular area, auxiliary area plastic tennis Which is good, fitness paths, indoor gym training track, road pavement plastic playground tennis courts, indoor and outdoor track, tennis , basketball, volleyball, badminton, handball and other venues, parks, residential areas and other venues. Generally speaking, the commonly refers runway runway track and field stadium and professional schools at all levels within the standard and non-standard runway of the points, the standard runway is the perimeter of 400 meters, with a radius of 36.5 m (in addition to There are two kinds of 36 meters and 37.898 meters) sunshine plastic tennis courts, playground nonstandard runway is defined according to the shape and size of the land area, appropriately adjust the radius and the circumference of the playground, a common perimeter of 200 meters, 300 meters and so on.