Prior to starting the production they've tested 12 Nylon with Arkema properties through but not through expensive price compared Italy nylon 12 of EMS.
Prior to starting production. They never tested Nylon 12 with Arkema properties through but not pass. Expensive than nylon, compared with 12 of the EMS.
Prior to the start of production They were tested with nylon 12 Arkema property through but the price did not pass More expensive when compared to nylon 12 of EMS