Recently, the Sino-US joint venture Yizheng Double Ring Piston Ring Co., Ltd. has developed a project to meet the new heavy-duty thermal power and high-strength engine sprayed molybdenum steel piston ring project through expert appraisal. According to reports, the company developed molybdenum-steel piston rings for engines that passed the prototype tests of prototypes and prototypes, and the evaluation of actual seawater tests in the Huhai Sea, which has met the requirements of the technical indicators specified in the relevant agreements. Its technical performance and quality are stable. , with the conditions for mass production. Experts pointed out that this product has certain application value in improving the technical performance of related products.
Folder is specially used to hold the whole page of documents, the main purpose is to better save files, make it neat and regular.Folders are tools for storing, protecting and managing paper documents.Materials include PP, PVC, cardboard;There are parts of imitation leather, cloth and so on.
There are many kinds of folder categories: including single strong folder, double strong folder, information booklet, two inch folder, three inch folder, different specifications of double open folder, single folder (also known as l-type folder), multi-page folder.
Binder Rings,Ring Binders,Ring Folder Binder,Ring Pvc Binder
shaoxing chaofeng stationery manufacturing CO.,LTD. , https://www.chaofengstationery.com