求助帮写一封英文邀请函

I have conmunicated with David -the President of DaYu company at Canton Fair.I have noted that the company have the technique of producing medicine.
I want to invite him to China and discuss the cooperation between us.His company supply the technique,and our company can supply the workshop,workforce,and the financing.Due to all the condition,we can institution a company together.

I and the big fish in the company's CEO David fair exchange, the production companies are aware of his medical reagents technologyOn this occasion, I would like to invite him to China to discuss cooperation and technology from his company, my company plant, human,financial resources, a company co-founded.