吊環孔的焊接方式有兩種, 舊款通常使用"O型環"來焊接, 而新款使用"P型環", O跟P的差別基本上是在連接到吊孔的環的形狀, 而這通常用於配件頂部, 例如：十字架, 海膽頂部, 銀貝鈕扣頂部 等.
如您所見, O型環只有一個點的焊接, 所以它比較容易有脫落的問題, 而P型環則擁有較寬的焊接面積, 由此可知P型環在連接上是具有比較高的安全性
There are two ways of soldering for a pendant hole.
The OLD Design uses an "O Shaped Ring" for soldering, while the New Design uses a "P Shaped Ring".
The “O” and the “P” are basically the shape of the Ring attached to the pendant hole.
These are applied for the pendant top such as the Cross, Sea Urchin Top and Concho Top, etc.
So today, we are going to talk about the differences between the O Shaped Ring and the P Shaped Ring.
As you can see, the O Shaped Ring is soldered on one point; hence, it could easily fall off.
On the other hand, the P Shaped Ring has a wider surface area for soldering, so we would say that the soldering with P Shaped Ring is more secured.
The measurement of the size for the pendant top would be done by excluding the length of the ring.
This is because, the entire length of the pendant may slightly vary after the soldering process.
We hope that these TIPS will help you when you need to consider buying a pendant top.