Jujube larvae damage the shoots, leaves, buds and young fruit of jujube trees with larvae. When they are serious, shoots and leaves are all eaten. Prevention methods: In late December, a plastic film skirt is tied at the base of the trunk (20 em from the ground), and the width is about 10 em. Eggs lay on the tree. 2 After a large number of larvae hatch (mid-April), spray 50% dichlorvos 1000 times every 7 days.
face mask used for daily protection, with 3 ply non-woven fabric, It can effectively filter droplets and block direct contact between virus and human body. The fabric is breathable and comfortable,it won't cause skin allergy.
We are professional manufacture of medical equipment with 6 years experiance.
The company conscientiously implements the "Regulations on the supervision and administration of medical devices" and other laws and regulations, and adopts a scientific management mode. The company has successively passed the EU CE certification and CFDA "medical device production quality management specification" assessment.
Adhering to the concept of "quality first, integrity-based, continuous change and long-term commitment", the company is committed to providing customers with high-quality, high safety performance products and high-quality services.
Disposible Face Mask,Face Mask With Logo,Face Mask With Designs,Disposable Medical Face Mask Shanghai Rocatti Biotechnology Co.,Ltd , https://www.ljdmedical.com
