Priority using sand casting According to statistics, China or internationally, sand box specifications, in all casting production in the 60 to 70% sand casting is produced, Jining sand box, and about 70% of which is clay sand production . The main reason is casting sand casting method than other low-cost, simple production process, short production cycle. So like a car engine cylinder block, cylinder head, crankshaft, etc. are used green sand casting process of production. When the wet type can not meet the requirements to consider the use of clay sand is dry sand, dry sand or other sand. Green sand casting casting weight from a few kilograms up to several tens of kilograms, sand box sales, while dry clay can produce castings weighing dozens of tons. Press flask shape classification casting mold sand box shape characteristic square, rectangular sand box is generally common casting mold sand box, is widely used, rectangular sand box lifting, turning me convenient, and easy to crack, than the more widely used square sand box round, shaped flask in general are arranged and shape, are following the pattern of the shape and size of the first dedicated foundry mold sand box, sand box outline the size and shape of the tank with sand box and decide Jining | Dragon Industrial | sand box provided by the Industrial Development Co., Ltd. Shandong dragon. Jining sandbox | Dragon Industrial | sandbox Shandong dragon Development Co., Ltd. (www.julongshiye.com/) this year introduced a new upgrade, the above picture is for reference only, please call the telephone or pictures on this page, For the latest information, contact: Mr. Wang.