Guardrail widely used in municipal engineering, transportation, communities, ports, airports, storage areas of maintenance rails, such products become increasingly mature steel fence walls, building materials industry has become an important branch of industry have been expanding, growing style. Pvc material classification according to the fence balcony railing, have iron fence, stone fence, PVC fence, wooden fence, concrete fence, steel fence, stainless steel rails, glass railings. Use classification by function fence balcony rails, stair rails, air conditioning fence, guardrail community, Villa fence, security fence, stadium fence and so on. Classification by fence decorated with artistic characteristic fence, iron fence, King through the fence, windows and fence, trash rack rails, guardrail American, European and railings. PVC fence crisp winter will it? Most PVC fence flex when chilling performance degradation pvc community fence, but unless subjected to abnormal blow when chilling PVC will not break, crack. Products designed to meet the weather changes in China's south and north country. Northeast and South formulations used will vary. PVC fence heat expands it? Design, has consideration thermal expansion and contraction. Longtai metal (Figure), pvc community fence, the fence by Linqu Taizhou Longtai Metal Products. Linqu Longtai Metal Products (www.wfhulan.com) box located in Shandong Province Linqu Lu Industrial Park. Scraps and development in the wave of market economy, the current longtai metal has a high profile in the Fence, bar, network, enjoy a good reputation. Longtai Metal obtain the whole network business alliance certification, marking our service and management level has reached a new height. Longtai metal staff willing to work with all people of insight and common development, for a better future.