Yes, trial orders for testing first are totally acceptable for us and we fully support this way of cooperation. Many of our clients choose to start with sample orders for trial and testing first and then establish trust and long-term cooperation business relationship with us after carefully checking high quality of our gears and shafts. By placing trial order first, you can check our product quality, precision and workmanship in advance. Please feel rest issued that we will make the gear samples strictly following your drawings and technical standards, and deliver them to you promptly. After you confirm the samples meet your requirements, we can then move on to formal bulk orders smoothly.