This is an inquiry message about lubricator model number: 304-2300-4 in the 108th China Canton Fair. (这是一条买家关于"lubricator model number: 304-2300-4"的询盘信息，来自第108届中国广交会。)Inquiry Message (询盘信息) lubricator model number: 304-2300-4 Good afternoon, I bought a lubricator model number 304-2300-4 with you and it came with a little sphere, however, I don't know what its function is and where it should be mounted. could please help me? Contact Info (联系信息) Fernando Silva 27933300 Company: Varco E-mail: fernando.silva@nov.com fernando.silva@nov.com
