... According to IEC 169-4 specificatons 3. RoHS Compliant 4. OEM service 1-1/4" DIN female RF Connector with RoHS certification About us1 ... the research, development, manufacture and sale of telecom products, with ISO9001,ISO14001,RoHS certificate. 2>>>The total company covers an ... meters, including modern workshops over 26,000 square meters. With new investment of USD5,000,000, the company has introduced ...