City and Valley Metal Technology Co., Ltd. and its valley metal Mall (Mall Company: www.738718.com), is made of metal and Valley technology investment to build the country's first online customization tool steel + physical stores, founded in June 2013 The main focus on carbon steel, plastic mold steel, hot work die steel, cold work die steel mold and online retail sales of peripheral products. The main products include: S50C / ace, P20 / 1.2311,718 / 738, S136H / 4Cr13H, NAK80, H13 / 2344, SKD11 / D2, Cr12 / 1.2080, Cr12Mov, O1 / 9CrWMn etc. First, the product performance is mediated P20 plastic mold steel pure steel vacuum degassing refining treatment for polishing or etch processing requirements of the plastic mold, pre-hardened state supplier, P20 / 1.2311 plastic steel heat treatment can be used directly without re-tooling, P20 / 1.2311 plastic steel shorten the construction period, by forging rolling processing, P20 / 1.2311 die steel dense, 100% ultrasonic inspection, nonporous needle defects. Second, the use of plastic steel plastic mold steel P20 / 1.2311 commonly used in the manufacture of TV cabinet, washing machine, refrigerator shells, buckets and so on. Heat treatment and microstructure: plastic mold steel hardening process in order to improve die life, can implement pre-hardened steel and hard way quenching and tempering to achieve three, die steel ordering payment order on the day of delivery, wool 1- 3 days delivery, concentrate 3-5 days delivery. 1. Delivery / users from mentioning Hours: Monday to Sunday from 8:30 -18: 00, the case of holidays, orders will be delayed one day accordingly. 2, as the date of customized products online more than 10000 (daily processing capacity of current and Valley 10000), delivery time is correspondingly delayed. Fourth, delivery services and valleys and valleys and valleys Metal Shop is "free delivery service" approach. 1, Dongguan Changan, free shipping. 2, Shenzhen, Dongguan region free shipping on orders over 3000 yuan. 3. Express (partner companies: Canada shipped US) 4. Freight refer to the "delivery fee" standard five, a worry-free sale, where the top and bottom metal online ordering of goods, and the Valley can enjoy the full quality of service, outside. acceptance of different quality for three days, the internal quality opposition accepted for 30 days after the material mixed with the wrong conditions return, the maximum amount of compensation does not exceed the value of S50C steel mold material itself, the quality of the material itself, only to return, is not responsible for other costs. In case of any problems, please contact customer service or call us, we will immediately understand the situation and respond to your treatment plan to address the relevant issues within 24 hours; the product purchase and use, have any questions please contact and Valley Enterprise QQ: 4008- 738-718 or call: 4008-738-718, our staff will provide you with professional advice and online to answer!