... quality good, frequency extremely stable2, long service life, price concessions, the job is stable and reliable 3, quality ... be answered within 1 business day. If you do not receive our reply, please kindly re-sent ... the best price, thanks! Q: I buy and create two order, but one is no need, how can I cancel it? ... is going to end but I still not receive the parcel, what shall I do? A: You can simply ...