PAKISTAN BIDS FOR IMPORT OF 100,000 TONNES SUGAR Trading Corp of Pakistan Ltd said it had invited tenders up to April 11, 1987 for the import of 100,000 tonnes of white refined crystal sugar up to June. It said each cargo should consist of 15,000 tonnes. Four cargoes should reach Port Bin Qasim or Karachi Port (buyers option) by May 31 and the balance by June 30, 1987, it added.