Dear sir / madam

I'm glad to write to you and hope to establish business relations with you.

Our main products are laser rangefinder and so on

Our advantages are as follows:

--20 years working experience.

--Stable quality and considerate service.

_ High measurement accuracy and fast measurement speed.

--Our products are used in many fields.

If you need a rangefinder, please contact us.

Best regards,

Mr. Jack

Kunming KELONGDA Optical Instrument Co., Ltd

QQ:105649791

Vx:rxm_ 105649791