Can X-ray hand switch be connected to crystal connector?

Recently, a Taiwanese customer inquired about X-ray hand switch and wanted a 4-core 3m plug with crystal. Send the information of our company’s X-ray hand switch to the customer. After reading the information, the customer said that they need 5 L01 4C3M with crystal head X-ray hand switch, let you send him the U.S. dollar account, and make the PI of the X-ray hand switch to the customer. The hand brake*US$1 and the shipping cost 3*US$. 5 L01X-ray hand switches need to be connected to RJ12 crystal heads, The customer has sent me the wiring diagram of the RJ12 crystal head.
Recently I received an email from them asking if the price of the L01 X-ray hand switch of RJ12 crystal head could be cheaper, and they told them that it could not be any cheaper. This price includes crystal head. Customers sent L01 X-ray hand switch for purchase Please send me the water bill after payment. Confirm the RJ12 crystal plug wiring problem with the customer, and send our L01 X-ray hand switch wiring diagram to the customer. Regarding the RJ12 crystal plug wiring problem, the customer calls it L01 X -The color of the ray hand switch is different from theirs. Tell us all L01 X-ray hand switches that the first gear is black and white, and the second gear is red and green. The color may be different from the color they send, the customer said, then follow ours come on.