An apparatus and related techniques for making a golf ball having one or more deep dimples are disclosed. The improvement is the compact design of the gas-measuring device and the higher reliability of the measurement results furnished by the gas-measuring device and the gas-measuring process. The silicone rubber which forms the coating layer has a hardness of from 20 to 90 and a tensile strength of from 15 to 80 kgfcm2. The service node then sends a calling instruction to the device wherein the calling instruction comprises initiating a communication session from the device using the contact information. The method may be performed by a trading strategy device disposed between a client device and multiple server side devices.