Suppliers connection to our products and services; We actively monitor 100 percent of all directly contracted supplier facilities involved in our Responsible Sourcing program. In FY20, all factories were monitored through a uding risk assessments, factory visits, and third-party audits. ...SGL Carbon supplies products for aerospace across the entire value chain – from carbon fibers toposites andponents made of cfrp. ... Additionally, aircraft manufacturers and their suppliers are now also focusing more and more on production efficiency and production speed. For years, current generations of aircraft, such as the Boeing ...Affiliations 1 School of Traffic and Transportation Engineering, Central South University, 410075, China.; 2 School of Business Administration, Hu University of Fice and Economics, 410205, China.; 3 School of Management, Hu University of Technology and Business, 410205, China.; 4 Laboratoire d'optimisation des Systeme Industriels, …Interconnection costs can also vary significantly by location. The cost of pipeline extensions to connect a given RNG supply to the existing utility distribution system is primarily a function of distance, not volume. As such, pipeline extension costs also exhibit strong economies of scale, with larger projects resulting in lower unit costs.