& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; Shiyan Yamao Auto Parts Co., Ltd. long-term supply universal Trailer with seven core spiral wire & nbsp; QXX: Note: Picture 1 is pictures and full set of seven core (a thread + 2 Trailer bolt DJ104) line 2 is the original seven core line, picture 3 is the other brands of the seven core line, three different states of the price line. This type of product selection of quality materials, quality assurance, long service life, over the years to get the majority of users. Our company has perfect quality service system. Welcome letter from the majority of users call to buy!