6ES7901-0BF00-0AA0 for connecting SIMATIC S7 and PG, are products by MPI5M MPI Cable length 5 m weight, about 293 g Electrical Technology Co., Ltd. Shanghai Qin Bin (Siemens core partners) Contact: Feng Li Star (Mr) Mobile Phone: 15221871358 Tel 021 -61532630 Fax 021 -67766155 Online QQ: 2541732832 Address: Songjiang District, Chen Hua Road, Room 1001, No. 65, Lane 839 Shanghai Bin Qin is the German company Siemens in the field of automation and control duly authorized partner, the the national energy saving, for the people to develop healthy goals for the use of Siemens products to provide customers with high-quality technical advice and services. Our goal: to make the best of Siemens automation and control systems integration partner, the professional provider of Siemens automation and control system solutions, the company sold products, new original, one year warranty, whenever there is any quality problems can be returned unconditionally goods (artificial damage, 15 days)