"Changyuan Yu Po signs Ltd. was established in 1980, specializes in mine signs, reflective signs and coal mine safety signs, production and sales of existing technical staff of 28 people, employees 380 people, is the development, production Mine Safety signs key manufacturers, variety, where underground mining license plate: high temperature paint matte panel, lined with high density fire board, stainless steel, aluminum alloy frame, screen printing reflective coating, with a fire retardant, waterproof, moisture-proof anti-aging, anti-corrosion, durable, easy to chalk and other characteristics, Diablo bright ambient light reflection mine warning signs on the latest: the use of high-quality aluminum, stainless steel, alloy plate, composite engineering grade reflective sheeting, using the US full-color laser digital machine production, the product is waterproof performance, UV never fade, never rust, fire retardant, super-reflective effect, as the key places, key parts, essential lines of disaster prevention. Changyuan Yu Po signage Ltd. All products are in accordance with the national "AQl017-2005" safety standards for coal Yuan elaborate habitat characteristics. The main products are mine signs, reflective signs and coal mine safety signs. "