First, the pond area should not be too large, with 1 to 2 acres as the best, the water depth is about 1.5 meters, the bottom is flat, the pond is less silt, and the drainage and drainage are convenient. Second, the stocking of stingray fry requires the specification to be neat, the physique is robust, there is no injury and illness, and the mu will be about 3 cm in diameter and 8000 to 10,000. Third, the seed must be fed artificial diet a few days later. Take a feed stand in the pool and put the feed on the feed stand. Feed feeding should be timed, positioned, quantified, and qualitative. 4. Inspect the pond once a day in the early morning to observe the activities of water color and fish. Clean the food field once every 3 to 5 days, and disinfect once every two weeks. Fifth, timely water injection, improve water quality. Generally, water is added once every 10 to 15 days.
it is full range of piston crown for the following type :
AAA) YANMAR DIESEL ENGINE
DL20/22/28/ DK20 / DK 28
UEC37H-IIB/ UET37/88HA/UEC45HA.LA/ UEC52HA.LA/ S6B/
6EL30/ EL(S)32 /6EL(S)35/ 6EL38/ 6EL40/ 6EL(S)44/50A/
GGG) MAN B&W
III)SULZER
RND 68 RND 76 RD 44
JJJ) MAKITA
GSLH – 633 637 KSLH -633 637
Kkk) PIELSTICK
PC 2-5 PC 2-6
Piston Crown,Diesel Engine Piston Crown,Marine Engine Piston Crown ZhouShan HeCheng Machinery Co., LTD. , https://www.hcmarineparts.com
K(D)L, KFL-T, 6MAL-H/T/HT/DT, S165-T/ST/EN,
S185-ST/UT/ET, M200L-UN/SN/EN/M220L-UN/SN/EN / N 330
BBB) DAIHATSU DIESEL ENGINE
PS22/26/ DS18(A)/ DS(B)22/
CCC) NIIGATA DIESEL ENGINE
6L(M)25BX/6M28AFTE/BX/6M31X/EZ/EX/ 31AFTE /34AGT
DDD) AKASAKA
AH30/AH38/ AH40/D/F/ A31/34/37/41/ DM28/30/33/36/38/40(A)K/ DM46/ UEC37H-HB/ UEC 37/88H
UEC 37LA/ UEC45LA/ UEC52LA/ UEC52HA/ UEC60HA/ UEC60LS/ UEC45HA/115 ALL UET TYPE
EEE) MITSUBISHI (KOBE AND AKASAKA )
45/75C/ 45/80D/ 52/90D/ 52/105D.E/
ETC
FFF) HANSHIN
6LU(D)26/ 6LU(N)28A/ 6LU(D)32/6LU(D)35/ 6LU(S)38/ 40 / 6LU40/ 6LU46A/ 6LU50A/
S35MC/L35MCE/L50MCE/ L60MCE/ 40/54A
HHH) MITSUBISHI PURIFIER
SJ700~SJ1800/SJ 2000
Sturgeon Fish Breeding Experience