求翻译：QL中国合资产品，采用精钢标准，螺旋式弹簧制造支力簧线径2.2mm，串簧1.4-1.8mm，钢边4.8mm，采用日本防锈工艺喷涂技术，弹簧覆盖率>65%，经济耐用。是什么意思？

QL Chinese joint venture products, the use of standard steel, spiral wire spring manufacturing support force spring 2.2mm, string spring 1.4-1.8mm, steel side 4.8mm, using the Japanese anti-rust coating process technology, the spring cover> 65%, the economy durable.

正在翻译，请等待...

The QL China joint capital product, uses the fine steel standard, screw type spring manufacture strength reed line diameter 2.2mm, strings together reed 1.4-1.8mm, edge 4.8mm, uses the Japanese rust prevention craft spray coating technology, the spring coverage fraction >65%, the economy is durab

QL Chinese joint venture products, the use of steel standards, spiral spring manufacturing strength Spring wire diameter 2.2mm, 1.4-1.8mm series of spring steel 4.8mm, Japan Rust prevention technology of spray technology, spring cover >65%, economy and durability.

QL Chinese joint venture products, the use of steel standards, spiral spring manufacturing strength Spring wire diameter 2.2mm, 1.4-1.8mm series of spring steel 4.8mm, Japan Rust prevention technology of spray technology, spring cover >65%, economy and durability.