Not long ago, our Iran customers went to our factory for further discussion of the three drum dryer and rotary dryer. And they are very pleased with the design and quality of our products. ng ago, our Iran customers went to our factory for further discussion of the three drum dryer and rotary dryer. And they are very pleased with the design and quality of our products. Not long ago, our Iran customers went to our factory for further discussion of the three drum dryer and rotary dryer. And they are very pleased with the design and quality of our products. ng ago, our Iran customers went to our factory for further discussion of the three drum dryer and rotary dryer. And they are very pleased with the design and quality of our products. Not long ago, our Iran customers went to our factory for further discussion of the three drum dryer and rotary dryer. And they are very pleased with the design and quality of our products. ng ago, our Iran customers went to our factory for further discussion of the three drum dryer and rotary dryer. And they are very pleased with the design and quality of our products. Not long ago, our Iran customers went to our factory for further discussion of the three drum dryer and rotary dryer. And they are very pleased with the design and quality of our products. ng ago, our Iran customers went to our factory for further discussion of the three drum dryer and rotary dryer. And they are very pleased with the design and quality of our products.