Hi-Tech Lubricants informed the Pakistan Stock Exchange of the appointment of Ji Won Park, a nominee of SK Lubricants, as director effective Sept. 21, in place of ex-nominee Moon Seek Park. Japanese oil seal manufacturer NOK announced it will raise the price of its seal products and special lubricants for general industrial machinery by up to 10 percent for orders received in October for domestic and overseas distributors. The company cited a rise in raw material costs and personnel and logistics costs.