Color-coated Steel Coil is based on hot-dip galvanized sheet, hot-dip galvanized sheet, electro-galvanized sheet, etc. After surface pretreatment (chemical degreasing and chemical conversion treatment), one or several layers of organic coatings are applied on the surface. The product is then cured by baking. It is named after the color steel coils coated with organic coatings of various colors, referred to as color coated coils. Color Coated Steel Coil,Color Coated Coil,Colour Coated Steel Coils,Colour Coated Coil Shandong Rizhaoxin Metal Products Co., Ltd. , https://www.sdrizhaoxinsteel.com
On June 16th, the “3000m water depth semi-submersible drilling platform construction technology research†project undertaken by Shanghai Waigaoqiao Shipbuilding Co., Ltd. was approved by the Shanghai Science and Technology Commission. The project applied for 3 national patents, including 1 invention patent, and formulated a number of guiding documents and operating standards applicable to the construction of marine engineering equipment.