You are required to fax a formal Purchase Order to 718-460-5983 or  call us
directly. Meanwhile, please make sure everything is cleary stated in  the P.O along with the P.O #, the Date,
item name, respective code and quantity. Also, the shipping address clearly stated. In case of any   unnecessary
misunderstanding or error, please specify in details for the  items that you need.
For example, voltage and type of the charger for instrument, color of the prism and
accessories, adapter joint of the prism pole, etc. All     these will greatly contribute
to ensure order accuracy and prepare goods  as soon as possible.

For further confirmation, please go straight to our sales  team and WE WILL ALWAYS BE HERE TO ANSWER YOUR QUESTIONS.