premise: China mainly exports high-tech products, chemicals, plastics products and household appliances to Pakistan, and imports textiles, leather and aquatic products from the south Asian country.
  The conclusion of the FTA came after one and a half years of negotiations between the two countries on market access for goods, rules of origin, trade remedies, sanitary and phytosanitary measures, technical barriers to trade, investments and dispute settlement.
  The agreement is the third of its kind reached between China and foreign countries after the China-ASEAN FTA and the China-Chile FTA.
  The deal was signed by Chinese Commerce Minister Bo Xilai and his Pakistani counterpart Jumayun Akhtar Khan, in the presence of Chinese President Hu Jintao and his Pakistani counterpart Pervez Musharraf.
  Hu arrived here on Thursday for a state visit at Musharraf's invitation. Pakistan is the last leg of Hu's four-nation Asia tour, which has already taken him to Vietnam, Laos and India.
   What was the result of one and a half years of negotiations?
hypothesis: a state visit