1. We selling whole range of products on industry part,electronic part,precise instrument,etc. 2. We have large stock, can send the goods within 1-2 days after your payment. 3. We can supply many products, there are too much part no, we couldn't post all of them here, if you need other goods which aren't sold here, please leave a message and we should reply you AT ONCE. 4. All the parts from Tyson is under warranty. Dear friends,some countries (or in remote areas) because of the customs and service area factors,( Such as: Russia, Ukraine, Brazil, Peru……) we only accept EMS. If to cause you inconvenience, please understanding. thank you. In addition,the products of the different time stages manufacturing, there are little difference, belongs to the normal phenomenon.